This is not allowed by the spec and does in fact not make any sense.
Return -EINVAL if this is the case.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
When using write() to write data to an output video node the vb2 core
should set timestamps if V4L2_BUF_FLAG_TIMESTAMP_COPY is set. Nobody
else is able to provide this information with the write() operation.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
__qbuf_mmap was sort of hidden in between the much larger __qbuf_userptr
and __qbuf_dmabuf functions. Move it before __qbuf_userptr which is
also conform the usual order these memory models are implemented: first
mmap, then userptr, then dmabuf.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Many dprintk's in vb2 use a hardcoded prefix with the function name. In
many cases that is now outdated. To keep things consistent the dprintk
macro has been changed to print the function name in addition to the "vb2:"
prefix. Superfluous prefixes elsewhere in the code have been removed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The application should really always fill in bytesused for output
buffers, unfortunately the vb2 framework never checked for that.
So for single planar formats replace a bytesused of 0 by the length
of the buffer, and for multiplanar format do the same if bytesused is
0 for ALL planes.
This seems to be what the user really intended if v4l2_buffer was
just memset to 0.
I'm afraid that just checking for this and returning an error would
break too many applications. Quite a few drivers never check for bytesused
at all and just use the buffer length instead.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The videobuf2-core did not zero the 'planes' array in __qbuf_userptr()
and __qbuf_dmabuf(). That's now memset to 0. Without this the reserved
array in struct v4l2_plane would be non-zero, causing v4l2-compliance
errors.
More serious is the fact that data_offset was not handled correctly:
- for capture devices it was never zeroed, which meant that it was
uninitialized. Unless the driver sets it it was a completely random
number. With the memset above this is now fixed.
- __qbuf_dmabuf had a completely incorrect length check that included
data_offset.
- in __fill_vb2_buffer in the DMABUF case the data_offset field was
unconditionally copied from v4l2_buffer to v4l2_plane when this
should only happen in the output case.
- in the single-planar case data_offset was never correctly set to 0.
The single-planar API doesn't support data_offset, so setting it
to 0 is the right thing to do. This too is now solved by the memset.
All these issues were found with v4l2-compliance.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Add the new CEA-861-F and DMT 4K timings to the list of predefined
timings.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Add the CEA-861-F timings for 3840x2160p24/25/30/50/60 and
4096x2160p24/25/30/50/60.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
this patch releases the buffer by calling vb2_buffer_done(),
with state marked as VB2_BUF_STATE_QUEUED if start_streaming()
call back fails.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This patch migrates the vpfe driver to use v4l2_fh for
priority handling.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This patch migrates the vpbe driver to use v4l2_fh for
priority handling. This also fixes v4l2-compliance test.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This patch adds support for the PCI-8604PW card equipped with four 878A.
It is unknown who the manufacturer of this card is and no drivers were
available during development of the patch. According to images found
online, the card is originally sold with Linux DVR software.
A CPLD on the card prevents the 878A from requesting access to the
bus until an initialization sequence has been issued via GPIOs. The
implemented sequence uses the minimum number of GPIOs needed to
successfully unlock bus access. As there are many more GPIOs connected
to the CPLD, it is very likely that some of the others have an influence
on the bus arbitration scheduling. This should be investigated further
in case of performance issues.
The tested card contains an EEPROM on one of the 878A, but it is
completely empty (i.e. contains only 0xff), so it is not possible
to detect the card.
Signed-off-by: Daniel Glöckner <daniel-gl@gmx.net>
Tested-by: Robert Longbottom <rongblor@googlemail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
In core_init make sure access to EDID DDC lines are disabled
before chip is powered up. Also DISABLE_AUTO_EDID before power up.
The correct setting is applied later when setting the EDID.
Some sources (MAC) kept on reading EDID even when Hotplug was low
and in the short period in core_init before the DDC lines was enabled
read a corrupt EDID.
Signed-off-by: Martin Bugge <marbugge@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This was the reason for enabling the HDMI/DVI-D mode irq in the first place.
Signed-off-by: Martin Bugge <marbugge@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Fix the use of __user in the check_array_args() prototype: instead of
using 'void * __user *' you should use 'void __user **' for sparse to
understand this correctly.
This also required the use of __force in the '*kernel_ptr = user_ptr'
assignment.
Also replace a wrong cast (void *) with the correct one (void **)
in check_array_args().
This fixes these sparse warnings:
drivers/media/v4l2-core/v4l2-ioctl.c:2284:35: warning: incorrect type in assignment (different address spaces)
drivers/media/v4l2-core/v4l2-ioctl.c:2301:35: warning: incorrect type in assignment (different address spaces)
drivers/media/v4l2-core/v4l2-ioctl.c:2319:35: warning: incorrect type in assignment (different address spaces)
drivers/media/v4l2-core/v4l2-ioctl.c:2386:57: warning: incorrect type in argument 4 (different address spaces)
drivers/media/v4l2-core/v4l2-ioctl.c:2420:29: warning: incorrect type in assignment (different address spaces)
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The edid array is copied to kernelspace by the v4l2 core, so drivers
shouldn't see the __user annotation. This conforms to other structs like
v4l2_ext_controls where the data pointed to is copied to from user to
kernelspace.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Sparse generated a bunch of errors like this:
drivers/media/v4l2-core/videobuf2-core.c:2045:25: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:136:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:151:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:168:25: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:183:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:185:9: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:385:25: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1115:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1268:33: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1270:25: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1315:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1324:25: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1396:25: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1457:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1482:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1484:9: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1523:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1525:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1815:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1828:17: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1914:25: error: incompatible types in conditional expression (different base types)
drivers/media/v4l2-core/videobuf2-core.c:1944:9: error: incompatible types in conditional expression (different base types)
These are caused by the call*op defines which do something like this:
(ops->op) ? ops->op(args) : 0
which is OK as long as op is not a void function, because in that case one part
of the conditional expression returns void, the other an integer. Hence the sparse
errors.
I've replaced this by introducing three variants of the call_ macros:
call_*op for int returns, call_void_*op for void returns and call_ptr_*op for
pointer returns.
That's the bad news. The good news is that the fail_*op macros could be removed
since the call_*op macros now have enough information to determine if the op
succeeded or not and can increment the op counter only on success. This at least
makes it more robust w.r.t. future changes.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The notify function is a void function, yet the v4l2_subdev_notify
define uses it in a ? : construction, which causes sparse warnings.
Replace the define by a static inline function and move it to
v4l2-device.h, which is where it belongs since it needs to know the
v4l2_device struct. This wasn't a problem when it was a define, but
as a static inline function this no longer compiles in v4l2-subdev.h.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This patch does not modify existing drivers. It adds subdriver
to gspca for DTCS033 (Scopium) webcam for astrophotography.
The patch adds dtcs033.c and modifies Kconfig and Makefile.
Signed-off-by: Robert Butora <robert.butora.fi@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The sn9c102 driver is deprecated. It was moved to staging in
anticipation of its removal in a future kernel version. However, USB
devices 0C45:6024 and 0C45:6025 are still handled by sn9c102 when
both sn9c102 and gspca_sonixb are enabled.
We must migrate all the users of these devices to the gspca_sonixb
driver now, so that it gets sufficient testing before the sn9c102
driver is finally phased out.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
from commit-id: b3379c6201
"vb2: only call start_streaming if sufficient buffers are queued"
the vb2 framework warns on (WARN_ON()) if all the active buffers
are not released when streaming is stopped, initially the vb2 silently
released the buffer internally if the buffer was not released by
the driver.
This patch fixes following issue:
WARNING: CPU: 0 PID: 2049 at drivers/media/v4l2-core/videobuf2-core.c:2011 __vb2_queue_cancel+0x1a0/0x218()
Modules linked in:
CPU: 0 PID: 2049 Comm: vpfe_video Tainted: G W 3.14.0-rc5-00414-ged97a6f #89
[<c000e3f0>] (unwind_backtrace) from [<c000c618>] (show_stack+0x10/0x14)
[<c000c618>] (show_stack) from [<c001adb0>] (warn_slowpath_common+0x68/0x88)
[<c001adb0>] (warn_slowpath_common) from [<c001adec>] (warn_slowpath_null+0x1c/0x24)
[<c001adec>] (warn_slowpath_null) from [<c0252e0c>] (__vb2_queue_cancel+0x1a0/0x218)
[<c0252e0c>] (__vb2_queue_cancel) from [<c02533a4>] (vb2_queue_release+0x14/0x24)
[<c02533a4>] (vb2_queue_release) from [<c025a65c>] (vpfe_release+0x60/0x230)
[<c025a65c>] (vpfe_release) from [<c023fe5c>] (v4l2_release+0x34/0x74)
[<c023fe5c>] (v4l2_release) from [<c00b4a00>] (__fput+0x80/0x224)
[<c00b4a00>] (__fput) from [<c00341e8>] (task_work_run+0xa0/0xd0)
[<c00341e8>] (task_work_run) from [<c001cc28>] (do_exit+0x244/0x918)
[<c001cc28>] (do_exit) from [<c001d344>] (do_group_exit+0x48/0xdc)
[<c001d344>] (do_group_exit) from [<c0029894>] (get_signal_to_deliver+0x2a0/0x5bc)
[<c0029894>] (get_signal_to_deliver) from [<c000b888>] (do_signal+0x78/0x3a0)
[<c000b888>] (do_signal) from [<c000bc54>] (do_work_pending+0xa4/0xb4)
[<c000bc54>] (do_work_pending) from [<c00096dc>] (work_pending+0xc/0x20)
---[ end trace 5faa75e8c2f8a6a1 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2049 at drivers/media/v4l2-core/videobuf2-core.c:1095 vb2_buffer_done+0x1e0/0x224()
Modules linked in:
CPU: 0 PID: 2049 Comm: vpfe_video Tainted: G W 3.14.0-rc5-00414-ged97a6f #89
[<c000e3f0>] (unwind_backtrace) from [<c000c618>] (show_stack+0x10/0x14)
[<c000c618>] (show_stack) from [<c001adb0>] (warn_slowpath_common+0x68/0x88)
[<c001adb0>] (warn_slowpath_common) from [<c001adec>] (warn_slowpath_null+0x1c/0x24)
[<c001adec>] (warn_slowpath_null) from [<c0252c28>] (vb2_buffer_done+0x1e0/0x224)
[<c0252c28>] (vb2_buffer_done) from [<c0252e3c>] (__vb2_queue_cancel+0x1d0/0x218)
[<c0252e3c>] (__vb2_queue_cancel) from [<c02533a4>] (vb2_queue_release+0x14/0x24)
[<c02533a4>] (vb2_queue_release) from [<c025a65c>] (vpfe_release+0x60/0x230)
[<c025a65c>] (vpfe_release) from [<c023fe5c>] (v4l2_release+0x34/0x74)
[<c023fe5c>] (v4l2_release) from [<c00b4a00>] (__fput+0x80/0x224)
[<c00b4a00>] (__fput) from [<c00341e8>] (task_work_run+0xa0/0xd0)
[<c00341e8>] (task_work_run) from [<c001cc28>] (do_exit+0x244/0x918)
[<c001cc28>] (do_exit) from [<c001d344>] (do_group_exit+0x48/0xdc)
[<c001d344>] (do_group_exit) from [<c0029894>] (get_signal_to_deliver+0x2a0/0x5bc)
[<c0029894>] (get_signal_to_deliver) from [<c000b888>] (do_signal+0x78/0x3a0)
[<c000b888>] (do_signal) from [<c000bc54>] (do_work_pending+0xa4/0xb4)
[<c000bc54>] (do_work_pending) from [<c00096dc>] (work_pending+0xc/0x20)
---[ end trace 5faa75e8c2f8a6a2 ]---
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
from commit-id: b3379c6201
"vb2: only call start_streaming if sufficient buffers are queued"
the vb2 framework warns on (WARN_ON()) if all the active buffers
are not released when streaming is stopped, initially the vb2 silently
released the buffer internally if the buffer was not released by
the driver.
This patch fixes following issue:
WARNING: CPU: 0 PID: 2049 at drivers/media/v4l2-core/videobuf2-core.c:2011 __vb2_queue_cancel+0x1a0/0x218()
Modules linked in:
CPU: 0 PID: 2049 Comm: vpbe_display Tainted: G W 3.14.0-rc5-00414-ged97a6f #89
[<c000e3f0>] (unwind_backtrace) from [<c000c618>] (show_stack+0x10/0x14)
[<c000c618>] (show_stack) from [<c001adb0>] (warn_slowpath_common+0x68/0x88)
[<c001adb0>] (warn_slowpath_common) from [<c001adec>] (warn_slowpath_null+0x1c/0x24)
[<c001adec>] (warn_slowpath_null) from [<c0252e0c>] (__vb2_queue_cancel+0x1a0/0x218)
[<c0252e0c>] (__vb2_queue_cancel) from [<c02533a4>] (vb2_queue_release+0x14/0x24)
[<c02533a4>] (vb2_queue_release) from [<c025a65c>] (vpbe_display_release+0x60/0x230)
[<c025a65c>] (vpbe_display_release) from [<c023fe5c>] (v4l2_release+0x34/0x74)
[<c023fe5c>] (v4l2_release) from [<c00b4a00>] (__fput+0x80/0x224)
[<c00b4a00>] (__fput) from [<c00341e8>] (task_work_run+0xa0/0xd0)
[<c00341e8>] (task_work_run) from [<c001cc28>] (do_exit+0x244/0x918)
[<c001cc28>] (do_exit) from [<c001d344>] (do_group_exit+0x48/0xdc)
[<c001d344>] (do_group_exit) from [<c0029894>] (get_signal_to_deliver+0x2a0/0x5bc)
[<c0029894>] (get_signal_to_deliver) from [<c000b888>] (do_signal+0x78/0x3a0)
[<c000b888>] (do_signal) from [<c000bc54>] (do_work_pending+0xa4/0xb4)
[<c000bc54>] (do_work_pending) from [<c00096dc>] (work_pending+0xc/0x20)
---[ end trace 5faa75e8c2f8a6a1 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2049 at drivers/media/v4l2-core/videobuf2-core.c:1095 vb2_buffer_done+0x1e0/0x224()
Modules linked in:
CPU: 0 PID: 2049 Comm: vpbe_display Tainted: G W 3.14.0-rc5-00414-ged97a6f #89
[<c000e3f0>] (unwind_backtrace) from [<c000c618>] (show_stack+0x10/0x14)
[<c000c618>] (show_stack) from [<c001adb0>] (warn_slowpath_common+0x68/0x88)
[<c001adb0>] (warn_slowpath_common) from [<c001adec>] (warn_slowpath_null+0x1c/0x24)
[<c001adec>] (warn_slowpath_null) from [<c0252c28>] (vb2_buffer_done+0x1e0/0x224)
[<c0252c28>] (vb2_buffer_done) from [<c0252e3c>] (__vb2_queue_cancel+0x1d0/0x218)
[<c0252e3c>] (__vb2_queue_cancel) from [<c02533a4>] (vb2_queue_release+0x14/0x24)
[<c02533a4>] (vb2_queue_release) from [<c025a65c>] (vpbe_display_release+0x60/0x230)
[<c025a65c>] (vpbe_display_release) from [<c023fe5c>] (v4l2_release+0x34/0x74)
[<c023fe5c>] (v4l2_release) from [<c00b4a00>] (__fput+0x80/0x224)
[<c00b4a00>] (__fput) from [<c00341e8>] (task_work_run+0xa0/0xd0)
[<c00341e8>] (task_work_run) from [<c001cc28>] (do_exit+0x244/0x918)
[<c001cc28>] (do_exit) from [<c001d344>] (do_group_exit+0x48/0xdc)
[<c001d344>] (do_group_exit) from [<c0029894>] (get_signal_to_deliver+0x2a0/0x5bc)
[<c0029894>] (get_signal_to_deliver) from [<c000b888>] (do_signal+0x78/0x3a0)
[<c000b888>] (do_signal) from [<c000bc54>] (do_work_pending+0xa4/0xb4)
[<c000bc54>] (do_work_pending) from [<c00096dc>] (work_pending+0xc/0x20)
---[ end trace 5faa75e8c2f8a6a2 ]---
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
from commit-id: b3379c6201
"vb2: only call start_streaming if sufficient buffers are queued"
the vb2 framework warns on (WARN_ON()) if all the active buffers
are not released when streaming is stopped, initially the vb2 silently
released the buffer internally if the buffer was not released by
the driver.
Also this patch moves the disabling of interrupts from relase() callback
to stop_streaming() callback as which needs to be done ideally.
This patch fixes following issue:
WARNING: CPU: 0 PID: 2049 at drivers/media/v4l2-core/videobuf2-core.c:2011 __vb2_queue_cancel+0x1a0/0x218()
Modules linked in:
CPU: 0 PID: 2049 Comm: vpif_display Tainted: G W 3.14.0-rc5-00414-ged97a6f #89
[<c000e3f0>] (unwind_backtrace) from [<c000c618>] (show_stack+0x10/0x14)
[<c000c618>] (show_stack) from [<c001adb0>] (warn_slowpath_common+0x68/0x88)
[<c001adb0>] (warn_slowpath_common) from [<c001adec>] (warn_slowpath_null+0x1c/0x24)
[<c001adec>] (warn_slowpath_null) from [<c0252e0c>] (__vb2_queue_cancel+0x1a0/0x218)
[<c0252e0c>] (__vb2_queue_cancel) from [<c02533a4>] (vb2_queue_release+0x14/0x24)
[<c02533a4>] (vb2_queue_release) from [<c025a65c>] (vpif_release+0x60/0x230)
[<c025a65c>] (vpif_release) from [<c023fe5c>] (v4l2_release+0x34/0x74)
[<c023fe5c>] (v4l2_release) from [<c00b4a00>] (__fput+0x80/0x224)
[<c00b4a00>] (__fput) from [<c00341e8>] (task_work_run+0xa0/0xd0)
[<c00341e8>] (task_work_run) from [<c001cc28>] (do_exit+0x244/0x918)
[<c001cc28>] (do_exit) from [<c001d344>] (do_group_exit+0x48/0xdc)
[<c001d344>] (do_group_exit) from [<c0029894>] (get_signal_to_deliver+0x2a0/0x5bc)
[<c0029894>] (get_signal_to_deliver) from [<c000b888>] (do_signal+0x78/0x3a0)
[<c000b888>] (do_signal) from [<c000bc54>] (do_work_pending+0xa4/0xb4)
[<c000bc54>] (do_work_pending) from [<c00096dc>] (work_pending+0xc/0x20)
---[ end trace 5faa75e8c2f8a6a1 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2049 at drivers/media/v4l2-core/videobuf2-core.c:1095 vb2_buffer_done+0x1e0/0x224()
Modules linked in:
CPU: 0 PID: 2049 Comm: vpif_display Tainted: G W 3.14.0-rc5-00414-ged97a6f #89
[<c000e3f0>] (unwind_backtrace) from [<c000c618>] (show_stack+0x10/0x14)
[<c000c618>] (show_stack) from [<c001adb0>] (warn_slowpath_common+0x68/0x88)
[<c001adb0>] (warn_slowpath_common) from [<c001adec>] (warn_slowpath_null+0x1c/0x24)
[<c001adec>] (warn_slowpath_null) from [<c0252c28>] (vb2_buffer_done+0x1e0/0x224)
[<c0252c28>] (vb2_buffer_done) from [<c0252e3c>] (__vb2_queue_cancel+0x1d0/0x218)
[<c0252e3c>] (__vb2_queue_cancel) from [<c02533a4>] (vb2_queue_release+0x14/0x24)
[<c02533a4>] (vb2_queue_release) from [<c025a65c>] (vpif_release+0x60/0x230)
[<c025a65c>] (vpif_release) from [<c023fe5c>] (v4l2_release+0x34/0x74)
[<c023fe5c>] (v4l2_release) from [<c00b4a00>] (__fput+0x80/0x224)
[<c00b4a00>] (__fput) from [<c00341e8>] (task_work_run+0xa0/0xd0)
[<c00341e8>] (task_work_run) from [<c001cc28>] (do_exit+0x244/0x918)
[<c001cc28>] (do_exit) from [<c001d344>] (do_group_exit+0x48/0xdc)
[<c001d344>] (do_group_exit) from [<c0029894>] (get_signal_to_deliver+0x2a0/0x5bc)
[<c0029894>] (get_signal_to_deliver) from [<c000b888>] (do_signal+0x78/0x3a0)
[<c000b888>] (do_signal) from [<c000bc54>] (do_work_pending+0xa4/0xb4)
[<c000bc54>] (do_work_pending) from [<c00096dc>] (work_pending+0xc/0x20)
---[ end trace 5faa75e8c2f8a6a2 ]---
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
from commit-id: b3379c6201
"vb2: only call start_streaming if sufficient buffers are queued"
the vb2 framework warns on (WARN_ON()) if all the active buffers
are not released when streaming is stopped, initially the vb2 silently
released the buffer internally if the buffer was not released by
the driver.
Also this patch moves the disabling of interrupts from relase() callback
to stop_streaming() callback as which needs to be done ideally.
This patch fixes following issue:
WARNING: CPU: 0 PID: 2049 at drivers/media/v4l2-core/videobuf2-core.c:2011 __vb2_queue_cancel+0x1a0/0x218()
Modules linked in:
CPU: 0 PID: 2049 Comm: vpif_capture Tainted: G W 3.14.0-rc5-00414-ged97a6f #89
[<c000e3f0>] (unwind_backtrace) from [<c000c618>] (show_stack+0x10/0x14)
[<c000c618>] (show_stack) from [<c001adb0>] (warn_slowpath_common+0x68/0x88)
[<c001adb0>] (warn_slowpath_common) from [<c001adec>] (warn_slowpath_null+0x1c/0x24)
[<c001adec>] (warn_slowpath_null) from [<c0252e0c>] (__vb2_queue_cancel+0x1a0/0x218)
[<c0252e0c>] (__vb2_queue_cancel) from [<c02533a4>] (vb2_queue_release+0x14/0x24)
[<c02533a4>] (vb2_queue_release) from [<c025a65c>] (vpif_release+0x60/0x230)
[<c025a65c>] (vpif_release) from [<c023fe5c>] (v4l2_release+0x34/0x74)
[<c023fe5c>] (v4l2_release) from [<c00b4a00>] (__fput+0x80/0x224)
[<c00b4a00>] (__fput) from [<c00341e8>] (task_work_run+0xa0/0xd0)
[<c00341e8>] (task_work_run) from [<c001cc28>] (do_exit+0x244/0x918)
[<c001cc28>] (do_exit) from [<c001d344>] (do_group_exit+0x48/0xdc)
[<c001d344>] (do_group_exit) from [<c0029894>] (get_signal_to_deliver+0x2a0/0x5bc)
[<c0029894>] (get_signal_to_deliver) from [<c000b888>] (do_signal+0x78/0x3a0)
[<c000b888>] (do_signal) from [<c000bc54>] (do_work_pending+0xa4/0xb4)
[<c000bc54>] (do_work_pending) from [<c00096dc>] (work_pending+0xc/0x20)
---[ end trace 5faa75e8c2f8a6a1 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2049 at drivers/media/v4l2-core/videobuf2-core.c:1095 vb2_buffer_done+0x1e0/0x224()
Modules linked in:
CPU: 0 PID: 2049 Comm: vpif_capture Tainted: G W 3.14.0-rc5-00414-ged97a6f #89
[<c000e3f0>] (unwind_backtrace) from [<c000c618>] (show_stack+0x10/0x14)
[<c000c618>] (show_stack) from [<c001adb0>] (warn_slowpath_common+0x68/0x88)
[<c001adb0>] (warn_slowpath_common) from [<c001adec>] (warn_slowpath_null+0x1c/0x24)
[<c001adec>] (warn_slowpath_null) from [<c0252c28>] (vb2_buffer_done+0x1e0/0x224)
[<c0252c28>] (vb2_buffer_done) from [<c0252e3c>] (__vb2_queue_cancel+0x1d0/0x218)
[<c0252e3c>] (__vb2_queue_cancel) from [<c02533a4>] (vb2_queue_release+0x14/0x24)
[<c02533a4>] (vb2_queue_release) from [<c025a65c>] (vpif_release+0x60/0x230)
[<c025a65c>] (vpif_release) from [<c023fe5c>] (v4l2_release+0x34/0x74)
[<c023fe5c>] (v4l2_release) from [<c00b4a00>] (__fput+0x80/0x224)
[<c00b4a00>] (__fput) from [<c00341e8>] (task_work_run+0xa0/0xd0)
[<c00341e8>] (task_work_run) from [<c001cc28>] (do_exit+0x244/0x918)
[<c001cc28>] (do_exit) from [<c001d344>] (do_group_exit+0x48/0xdc)
[<c001d344>] (do_group_exit) from [<c0029894>] (get_signal_to_deliver+0x2a0/0x5bc)
[<c0029894>] (get_signal_to_deliver) from [<c000b888>] (do_signal+0x78/0x3a0)
[<c000b888>] (do_signal) from [<c000bc54>] (do_work_pending+0xa4/0xb4)
[<c000bc54>] (do_work_pending) from [<c00096dc>] (work_pending+0xc/0x20)
---[ end trace 5faa75e8c2f8a6a2 ]---
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
All YUV 422 has 16bit per pixels.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This fixes following build error:
CC drivers/media/i2c/s5c73m3/s5c73m3-core.o
CC drivers/md/dm-ioctl.o
CC net/ipv4/inet_lro.o
drivers/media/i2c/s5c73m3/s5c73m3-core.c: In function ‘s5c73m3_get_platform_data’:
drivers/media/i2c/s5c73m3/s5c73m3-core.c:1619:2: error: implicit declaration of function ‘v4l2_of_get_next_endpoint’ [-Werror=implicit-function-declaration]
drivers/media/i2c/s5c73m3/s5c73m3-core.c:1619:10: warning: assignment makes pointer from integer without a cast [enabled by default]
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
It printed a little bit too heavy looking error log "DVB: Unable to
find symbol rtl2832_sdr_attach()" when staging module was disabled.
Silence that error by introducing own version of dvb_attach() macro
without the error logging.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
RTL2832 SDR extension module is currently on staging. SDR module
headers were included from staging causing direct dependency staging
directory. As a solution, add needed headers to main driver.
Motivation of that change comes from Luis / driver backports project.
Reported-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Cc: backports@vger.kernel.org
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1
* tag 'v3.15-rc1': (12180 commits)
Linux 3.15-rc1
mm: Initialize error in shmem_file_aio_read()
cifs: Use min_t() when comparing "size_t" and "unsigned long"
sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue
powerpc: Don't try to set LPCR unless we're in hypervisor mode
futex: update documentation for ordering guarantees
ceph: fix pr_fmt() redefinition
vti: don't allow to add the same tunnel twice
gre: don't allow to add the same tunnel twice
drivers: net: xen-netfront: fix array initialization bug
missing bits of "splice: fix racy pipe->buffers uses"
cifs: fix the race in cifs_writev()
ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
pktgen: be friendly to LLTX devices
r8152: check RTL8152_UNPLUG
net: sun4i-emac: add promiscuous support
net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
blackfin: cleanup board files
bf609: clock: drop unused clock bit set/clear functions
Blackfin: bf537: rename "CONFIG_ADT75"
...
Some versions of gcc even warn about it:
mm/shmem.c: In function ‘shmem_file_aio_read’:
mm/shmem.c:1414: warning: ‘error’ may be used uninitialized in this function
If the loop is aborted during the first iteration by one of the two
first break statements, error will be uninitialized.
Introduced by commit 6e58e79db8 ("introduce copy_page_to_iter, kill
loop over iovec in generic_file_aio_read()").
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
On 32 bit, size_t is "unsigned int", not "unsigned long", causing the
following warning when comparing with PAGE_SIZE, which is always "unsigned
long":
fs/cifs/file.c: In function ‘cifs_readdata_to_iov’:
fs/cifs/file.c:2757: warning: comparison of distinct pointer types lacks a cast
Introduced by commit 7f25bba819 ("cifs_iovec_read: keep iov_iter
between the calls of cifs_readdata_to_iov()"), which changed the
signedness of "remaining" and the code from min_t() to min().
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull slab changes from Pekka Enberg:
"The biggest change is byte-sized freelist indices which reduces slab
freelist memory usage:
https://lkml.org/lkml/2013/12/2/64"
* 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
mm: slab/slub: use page->list consistently instead of page->lru
mm/slab.c: cleanup outdated comments and unify variables naming
slab: fix wrongly used macro
slub: fix high order page allocation problem with __GFP_NOFAIL
slab: Make allocations with GFP_ZERO slightly more efficient
slab: make more slab management structure off the slab
slab: introduce byte sized index for the freelist of a slab
slab: restrict the number of objects in a slab
slab: introduce helper functions to get/set free object
slab: factor out calculate nr objects in cache_estimate
Pull misc kbuild changes from Michal Marek:
"Here is the non-critical part of kbuild:
- One bogus coccinelle check removed, one check fixed not to suggest
the obsolete PTR_RET macro
- scripts/tags.sh does not index the generated *.mod.c files
- new objdiff tool to list differences between two versions of an
object file
- A fix for scripts/bootgraph.pl"
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
scripts/coccinelle: Use PTR_ERR_OR_ZERO
scripts/bootgraph.pl: Add graphic header
scripts: objdiff: detect object code changes between two commits
Coccicheck: Remove memcpy to struct assignment test
scripts/tags.sh: Ignore *.mod.c
This patch fixes I/O errors with the sym53c8xx_2 driver when the disk
returns QUEUE FULL status.
When the controller encounters an error (including QUEUE FULL or BUSY
status), it aborts all not yet submitted requests in the function
sym_dequeue_from_squeue.
This function aborts them with DID_SOFT_ERROR.
If the disk has full tag queue, the request that caused the overflow is
aborted with QUEUE FULL status (and the scsi midlayer properly retries
it until it is accepted by the disk), but the sym53c8xx_2 driver aborts
the following requests with DID_SOFT_ERROR --- for them, the midlayer
does just a few retries and then signals the error up to sd.
The result is that disk returning QUEUE FULL causes request failures.
The error was reproduced on 53c895 with COMPAQ BD03685A24 disk
(rebranded ST336607LC) with command queue 48 or 64 tags. The disk has
64 tags, but under some access patterns it return QUEUE FULL when there
are less than 64 pending tags. The SCSI specification allows returning
QUEUE FULL anytime and it is up to the host to retry.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 8f619b5429 ("powerpc/ppc64: Do not turn AIL (reloc-on
interrupts) too early") added code to set the AIL bit in the LPCR
without checking whether the kernel is running in hypervisor mode. The
result is that when the kernel is running as a guest (i.e., under
PowerKVM or PowerVM), the processor takes a privileged instruction
interrupt at that point, causing a panic. The visible result is that
the kernel hangs after printing "returning from prom_init".
This fixes it by checking for hypervisor mode being available before
setting LPCR. If we are not in hypervisor mode, we enable relocation-on
interrupts later in pSeries_setup_arch using the H_SET_MODE hcall.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commits 11d4616bd0 ("futex: revert back to the explicit waiter
counting code") and 69cd9eba38 ("futex: avoid race between requeue and
wake") changed some of the finer details of how we think about futexes.
One was a late fix and the other a consequence of overlooking the whole
requeuing logic.
The first change caused our documentation to be incorrect, and the
second made us aware that we need to explicitly add more details to it.
Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull yet more networking updates from David Miller:
1) Various fixes to the new Redpine Signals wireless driver, from
Fariya Fatima.
2) L2TP PPP connect code takes PMTU from the wrong socket, fix from
Dmitry Petukhov.
3) UFO and TSO packets differ in whether they include the protocol
header in gso_size, account for that in skb_gso_transport_seglen().
From Florian Westphal.
4) If VLAN untagging fails, we double free the SKB in the bridging
output path. From Toshiaki Makita.
5) Several call sites of sk->sk_data_ready() were referencing an SKB
just added to the socket receive queue in order to calculate the
second argument via skb->len. This is dangerous because the moment
the skb is added to the receive queue it can be consumed in another
context and freed up.
It turns out also that none of the sk->sk_data_ready()
implementations even care about this second argument.
So just kill it off and thus fix all these use-after-free bugs as a
side effect.
6) Fix inverted test in tcp_v6_send_response(), from Lorenzo Colitti.
7) pktgen needs to do locking properly for LLTX devices, from Daniel
Borkmann.
8) xen-netfront driver initializes TX array entries in RX loop :-) From
Vincenzo Maffione.
9) After refactoring, some tunnel drivers allow a tunnel to be
configured on top itself. Fix from Nicolas Dichtel.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (46 commits)
vti: don't allow to add the same tunnel twice
gre: don't allow to add the same tunnel twice
drivers: net: xen-netfront: fix array initialization bug
pktgen: be friendly to LLTX devices
r8152: check RTL8152_UNPLUG
net: sun4i-emac: add promiscuous support
net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
net: ipv6: Fix oif in TCP SYN+ACK route lookup.
drivers: net: cpsw: enable interrupts after napi enable and clearing previous interrupts
drivers: net: cpsw: discard all packets received when interface is down
net: Fix use after free by removing length arg from sk_data_ready callbacks.
Drivers: net: hyperv: Address UDP checksum issues
Drivers: net: hyperv: Negotiate suitable ndis version for offload support
Drivers: net: hyperv: Allocate memory for all possible per-pecket information
bridge: Fix double free and memory leak around br_allowed_ingress
bonding: Remove debug_fs files when module init fails
i40evf: program RSS LUT correctly
i40evf: remove open-coded skb_cow_head
ixgb: remove open-coded skb_cow_head
igbvf: remove open-coded skb_cow_head
...
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Merge tag 'llvmlinux-for-v3.15' of git://git.linuxfoundation.org/llvmlinux/kernel
Pull llvm patches from Behan Webster:
"These are some initial updates to support compiling the kernel with
clang.
These patches have been through the proper reviews to the best of my
ability, and have been soaking in linux-next for a few weeks. These
patches by themselves still do not completely allow clang to be used
with the kernel code, but lay the foundation for other patches which
are still under review.
Several other of the LLVMLinux patches have been already added via
maintainer trees"
* tag 'llvmlinux-for-v3.15' of git://git.linuxfoundation.org/llvmlinux/kernel:
x86: LLVMLinux: Fix "incomplete type const struct x86cpu_device_id"
x86 kbuild: LLVMLinux: More cc-options added for clang
x86, acpi: LLVMLinux: Remove nested functions from Thinkpad ACPI
LLVMLinux: Add support for clang to compiler.h and new compiler-clang.h
LLVMLinux: Remove warning about returning an uninitialized variable
kbuild: LLVMLinux: Fix LINUX_COMPILER definition script for compilation with clang
Documentation: LLVMLinux: Update Documentation/dontdiff
kbuild: LLVMLinux: Adapt warnings for compilation with clang
kbuild: LLVMLinux: Add Kbuild support for building kernel with Clang
Pull SCSI target updates from Nicholas Bellinger:
"Here are the target pending updates for v3.15-rc1. Apologies in
advance for waiting until the second to last day of the merge window
to send these out.
The highlights this round include:
- iser-target support for T10 PI (DIF) offloads (Sagi + Or)
- Fix Task Aborted Status (TAS) handling in target-core (Alex Leung)
- Pass in transport supported PI at session initialization (Sagi + MKP + nab)
- Add WRITE_INSERT + READ_STRIP T10 PI support in target-core (nab + Sagi)
- Fix iscsi-target ERL=2 ASYNC_EVENT connection pointer bug (nab)
- Fix tcm_fc use-after-free of ft_tpg (Andy Grover)
- Use correct ib_sg_dma primitives in ib_isert (Mike Marciniszyn)
Also, note the virtio-scsi + vhost-scsi changes to expose T10 PI
metadata into KVM guest have been left-out for now, as there where a
few comments from MST + Paolo that where not able to be addressed in
time for v3.15. Please expect this feature for v3.16-rc1"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (43 commits)
ib_srpt: Use correct ib_sg_dma primitives
target/tcm_fc: Rename ft_tport_create to ft_tport_get
target/tcm_fc: Rename ft_{add,del}_lport to {add,del}_wwn
target/tcm_fc: Rename structs and list members for clarity
target/tcm_fc: Limit to 1 TPG per wwn
target/tcm_fc: Don't export ft_lport_list
target/tcm_fc: Fix use-after-free of ft_tpg
target: Add check to prevent Abort Task from aborting itself
target: Enable READ_STRIP emulation in target_complete_ok_work
target/sbc: Add sbc_dif_read_strip software emulation
target: Enable WRITE_INSERT emulation in target_execute_cmd
target/sbc: Add sbc_dif_generate software emulation
target/sbc: Only expose PI read_cap16 bits when supported by fabric
target/spc: Only expose PI mode page bits when supported by fabric
target/spc: Only expose PI inquiry bits when supported by fabric
target: Pass in transport supported PI at session initialization
target/iblock: Fix double bioset_integrity_free bug
Target/sbc: Initialize COMPARE_AND_WRITE write_sg scatterlist
target/rd: T10-Dif: RAM disk is allocating more space than required.
iscsi-target: Fix ERL=2 ASYNC_EVENT connection pointer bug
...
Pull media fixes from Mauro Carvalho Chehab:
"A series of bug fix patches for v3.15-rc1. Most are just driver
fixes. There are some changes at remote controller core level, fixing
some definitions on a new API added for Kernel v3.15.
It also adds the missing include at include/uapi/linux/v4l2-common.h,
to allow its compilation on userspace, as pointed by you"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (24 commits)
[media] gpsca: remove the risk of a division by zero
[media] stk1160: warrant a NUL terminated string
[media] v4l: ti-vpe: retain v4l2_buffer flags for captured buffers
[media] v4l: ti-vpe: Set correct field parameter for output and capture buffers
[media] v4l: ti-vpe: zero out reserved fields in try_fmt
[media] v4l: ti-vpe: Fix initial configuration queue data
[media] v4l: ti-vpe: Use correct bus_info name for the device in querycap
[media] v4l: ti-vpe: report correct capabilities in querycap
[media] v4l: ti-vpe: Allow usage of smaller images
[media] v4l: ti-vpe: Use video_device_release_empty
[media] v4l: ti-vpe: Make sure in job_ready that we have the needed number of dst_bufs
[media] lgdt3305: include sleep functionality in lgdt3304_ops
[media] drx-j: use customise option correctly
[media] m88rs2000: fix sparse static warnings
[media] r820t: fix size and init values
[media] rc-core: remove generic scancode filter
[media] rc-core: split dev->s_filter
[media] rc-core: do not change 32bit NEC scancode format for now
[media] rtl28xxu: remove duplicate ID 0458:707f Genius TVGo DVB-T03
[media] xc2028: add missing break to switch
...
ntb_netdev, a typo, and a leak of msix entries in the error path.
Clean ups of the event handling logic, as well as a overall style
cleanup. Finally, the driver was converted to use the new
pci_enable_msix_range logic (and the refactoring to go along with it).
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Merge tag 'ntb-3.15' of git://github.com/jonmason/ntb
Pull PCIe non-transparent bridge fixes and features from Jon Mason:
"NTB driver bug fixes to address issues in list traversal, skb leak in
ntb_netdev, a typo, and a leak of msix entries in the error path.
Clean ups of the event handling logic, as well as a overall style
cleanup. Finally, the driver was converted to use the new
pci_enable_msix_range logic (and the refactoring to go along with it)"
* tag 'ntb-3.15' of git://github.com/jonmason/ntb:
ntb: Use pci_enable_msix_range() instead of pci_enable_msix()
ntb: Split ntb_setup_msix() into separate BWD/SNB routines
ntb: Use pci_msix_vec_count() to obtain number of MSI-Xs
NTB: Code Style Clean-up
NTB: client event cleanup
ntb: Fix leakage of ntb_device::msix_entries[] array
NTB: Fix typo in setting one translation register
ntb_netdev: Fix skb free issue in open
ntb_netdev: Fix list_for_each_entry exit issue
The vfs merge caused a latent bug to show up:
In file included from fs/ceph/super.h:4:0,
from fs/ceph/ioctl.c:3:
include/linux/ceph/ceph_debug.h:4:0: warning: "pr_fmt" redefined [enabled by default]
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^
In file included from include/linux/kernel.h:13:0,
from include/linux/uio.h:12,
from include/linux/socket.h:7,
from include/uapi/linux/in.h:22,
from include/linux/in.h:23,
from fs/ceph/ioctl.c:1:
include/linux/printk.h:214:0: note: this is the location of the previous definition
#define pr_fmt(fmt) fmt
^
where the reason is that <linux/ceph_debug.h> is included much too late
for the "pr_fmt()" define.
The include of <linux/ceph_debug.h> needs to be the first include in the
file, but fs/ceph/ioctl.c had for some reason missed that, and it wasn't
noticeable until some unrelated header file changes brought in an
indirect earlier include of <linux/kernel.h>.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
