Commit Graph

782865 Commits

Author SHA1 Message Date
Michael Straube
2590e4e3a6 staging: rtl8188eu: fix comparsions to false
Use if(!x) instead of if(x == false).

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:30:18 +02:00
Michael Straube
50f2ea8bf8 staging: rtl8188eu: fix comparsions to true
Use if(x) instead of if(x == true).

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:30:18 +02:00
Michael Straube
116bcfdfcf staging: rtl8188eu: remove whitespace
Replace tabs with spaces or just remove spaces in declarations.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:30:18 +02:00
Michael Straube
f14cbe6326 staging: rtl8188eu: remove unnecessary parentheses
Remove unnecessary parentheses as reported by checkpatch
and from conditionals.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:30:18 +02:00
Michael Straube
1ad53b2df9 staging: rtl8188eu: simplify calculation
Simplify calcualation:  * 10 / 2  can be reduced to  * 5
Also cleans missing spaces checkpatch issues.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:30:18 +02:00
Jia-Ju Bai
8204b61a77 staging: rtl8723bs: Fix two sleep-in-atomic-context bugs in _rtw_pwr_wakeup()
The driver may sleep with holding a spinlock.
The function call paths (from bottom to top) in Linux-4.17 are:

[FUNC] msleep
drivers/staging/rtl8723bs/core/rtw_pwrctrl.c, 1243:
	msleep in _rtw_pwr_wakeup
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c, 510:
	_rtw_pwr_wakeup in rtw_set_802_11_disassociate
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c, 501:
	spin_lock_bh in rtw_set_802_11_disassociate

[FUNC] msleep
drivers/staging/rtl8723bs/core/rtw_pwrctrl.c, 1255:
	msleep in _rtw_pwr_wakeup
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c, 510:
	_rtw_pwr_wakeup in rtw_set_802_11_disassociate
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c, 501:
	spin_lock_bh in rtw_set_802_11_disassociate

To fix these bugs, msleep() is replaced with mdelay().

These bugs are found by my static analysis tool DSAC.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:29:11 +02:00
Jia-Ju Bai
1c8cb89ee9 staging: rtl8723bs: Fix a sleep-in-atomic-context bug in issue_deauth_ex()
The driver may sleep with holding a spinlock.
The function call paths (from bottom to top) in Linux-4.17 are:

[FUNC] msleep
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c, 3805:
	msleep in issue_deauth_ex
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c, 6336:
	issue_deauth_ex in disconnect_hdl
drivers/staging/rtl8723bs/core/rtw_cmd.c, 963:
	disconnect_hdl in rtw_disassoc_cmd
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c, 506:
	rtw_disassoc_cmd in rtw_set_802_11_disassociate
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c, 501:
	spin_lock_bh in rtw_set_802_11_disassociate

[FUNC] msleep
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c, 3805:
	msleep in issue_deauth_ex
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c, 6336:
	issue_deauth_ex in disconnect_hdl
drivers/staging/rtl8723bs/core/rtw_cmd.c, 963:
	disconnect_hdl in rtw_disassoc_cmd
drivers/staging/rtl8723bs/core/rtw_mlme.c, 2256:
	rtw_disassoc_cmd in rtw_select_and_join_from_scanned_queue
drivers/staging/rtl8723bs/core/rtw_mlme.c, 2204:
	spin_lock_bh in rtw_select_and_join_from_scanned_queue

To fix this bug, msleep() is replaced with mdelay().

This bug is found by my static analysis tool DSAC.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:29:11 +02:00
Colin Ian King
47bde22970 staging: greybus: fix spelling mistake "entires" -> "entries"
Trivial fix to spelling mistake

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:29:11 +02:00
Jia-Ju Bai
bffa9b1cc6 staging: dgnc: Fix a sleep-in-atomic-context bug in cls_assert_modem_signals()
The driver may sleep with holding a spinlock.
The function call path (from bottom to top) in Linux-4.17 is:

[FUNC] usleep_range
drivers/staging/dgnc/dgnc_cls.c, 391:
	usleep_range in cls_assert_modem_signals
drivers/staging/dgnc/dgnc_cls.c, 449:
	cls_assert_modem_signals in cls_copy_data_from_queue_to_uart
drivers/staging/dgnc/dgnc_cls.c, 406:
	_raw_spin_lock_irqsave in cls_copy_data_from_queue_to_uart

To fix this bug, usleep_range() is replaced with udelay().

This bug is found by my static analysis tool DSAC.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:29:10 +02:00
Jia-Ju Bai
2051c6ae92 staging: rtl8188eu: Fix a sleep-in-atomic-context bug in issue_deauth_ex()
The driver may sleep with holding a spinlock.
The function call path (from bottom to top) in Linux-4.17 is:

[FUNC] msleep
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c, 1536:
	msleep in issue_deauth_ex
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c, 5110:
	issue_deauth_ex in disconnect_hdl
drivers/staging/rtl8188eu/core/rtw_cmd.c, 521:
	disconnect_hdl in rtw_disassoc_cmd
drivers/staging/rtl8188eu/core/rtw_ioctl_set.c, 352:
	rtw_disassoc_cmd in rtw_set_802_11_infrastructure_mode
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c, 1002:
	rtw_set_802_11_infrastructure_mode in rtw_wx_set_wap
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c, 988:
	spin_lock_bh in rtw_wx_set_wap

To fix this bug, msleep() is replaced with mdelay().

This bug is found by my static analysis tool DSAC.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:25:01 +02:00
Robert Węcławski
7af5bd0ca4 staging: rtl8188eu: remove code that is valid only for 5 GHz
Remove code that is used only for 5 GHz.
This addresses the below TODO item:

- find and remove remaining code valid only for 5 GHz. Most of the obvious
  ones have been removed, but things like channel > 14 still exist.

Signed-off-by: Robert Węcławski <r.weclawski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:25:01 +02:00
Hans de Goede
4f6f44086f staging: vboxvideo: Drop vbox_bo_unref() helper
Drop the unnecessary vbox_bo_unref() helper and directly call ttm_bo_put()
at the single call site.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:59 +02:00
Hans de Goede
ce8ec32cbd staging: vboxvideo: Remove vboxfb_create_object() wrapper
The vboxfb_create_object() wrapper really does nothing more then just
call vbox_gem_create(), so this commit drops it, replacing it with
a direct call to vbox_gem_create().

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:59 +02:00
Hans de Goede
3c94952c38 staging: vboxvideo: Skip currrent crtc when updating crtcs
In vbox_crtc_set_base_and_mode() we update all the crtcs when the
single_framebuffer setting changes, including the one on which
vbox_crtc_set_base_and_mode() was called, so we end up doing
vbox_do_modeset() on it twice. This commit skips the crtc on which
we are updating in the loop to update the other crtcs.

This commit also removes the vbox_set_view() call from the loop,
vbox_set_view() does not depend on the single_framebuffer setting and it
was being called on the passed in crtc parameter and not on the crtci
local iterator value (typo), so it was a no-op already.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:59 +02:00
Hans de Goede
a5aca20574 staging: vboxvideo: Fix modeset / page_flip error handling
The default settings for Linux vms created in VirtualBox allocate only
16M of videomem. When running fullscreen on a 1920x1080 (or bigger) monitor
this is not a lot.

When using GNOME3 on Wayland we have already been seeing out of video
memory errors for a while now. After commit 2408898e3b ("staging:
vboxvideo: Add page-flip support") this has become much worse as now
multiple buffers are used.

There is nothing we can do about there not being enough video-mem, but
we should handle running out of video-mem properly, currently there are
2 problems with this:

1) vbox_crtc_mode_set() does not check if vbox_crtc_mode_set_base() fails
at all and does not properly propagate the oom error.

2) vbox_crtc_do_set_base() unpins the old fb too soon:

2.1) It unpins it before pinning the new fb, so if the pinning of the new
fb fails (which it will when we run out of video-mem), then we also cannot
fall back to the old-fb as it has been already unpinned. We could try to
re-pin it but there is no guarantee that will succeed.

2.2) It unpins it before reprogramming the hardware to scan out from the
new-fb, which could lead to some ugliness where the hw is scanning out the
oldfb while it is being replaced with something else.

Fixing this requires to do things in this order:
1) Pin the new fb
2) Program the hw
3) Unpin the oldfb

This needs to be done for both a mode_set and for a page_flip so this
commit re-writes vbox_crtc_do_set_base() into vbox_crtc_set_base_and_mode()
which does this in the correct order, putting the hardware programming
which was duplicated between the mode_set and page_flip code inside the
new function.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:59 +02:00
Nick Ewalt
08b6b28801 staging: gasket: page_table: handle failed dma_map_page
Handle dma_map_page failing in gasket_alloc_extended_subtable: free
memory, don't add invalid page table entry.

Signed-off-by: Nick Ewalt <nicholasewalt@google.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Nick Ewalt
0eaf57fb61 staging: gasket: page_table: use total_entries for max ext lvl0 page idx
The maximum number of entries in the page table is configurable at
initialization time and should be used in gasket_extended_lvl0_page_idx.

Signed-off-by: Nick Ewalt <nicholasewalt@google.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Nick Ewalt
863739bda2 staging: gasket: cleanup if dma_map_page fails in gasket_perform_mapping
Previously pages would have never been unmapped in this case.

Signed-off-by: Nick Ewalt <nicholasewalt@google.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Nick Ewalt
c3873a5c74 staging: gasket: fix gasket_free_coherent_memory metadata frees
Free gasket_coherent_page_entries metadata memory, update data
structures accordingly.

Signed-off-by: Nick Ewalt <nicholasewalt@google.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Nick Ewalt
f8b6a07661 staging: gasket: page_table: don't unmap coherent pages
Only call dma_unmap_page if there was an associated dma_map_page call.

Signed-off-by: Nick Ewalt <nicholasewalt@google.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Nick Ewalt
d2118f8e93 staging: gasket: fix data page unmap DMA direction
The DMA direction supplied to dma_unmap_page should match the
corresponding dma_map_page call, which is mapped bi-directional.

Signed-off-by: Nick Ewalt <nicholasewalt@google.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Nick Ewalt
912b8a811c staging: gasket: fix DMA direction for extended page tables
Extended page tables should be mapped as DMA_TO_DEVICE, not
bi-directional.

Signed-off-by: Nick Ewalt <nicholasewalt@google.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Todd Poynor
45dd9954d9 staging: gasket: page table: use GFP_KERNEL for dma_alloc_coherent
Flags should be specified for dma_alloc_coherent() call.  Use
GFP_KERNEL, it's fine to sleep here.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Todd Poynor
467976ff6e staging: gasket: interrupt: remove PCI-MSIX-specific status check
Devices not using MSIX don't use the msix_initialized field, so don't
require it to be set in the interrupt system status check. The general
check for interrupts configured that follows can cover both MSIX and
device-managed interrupts.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Todd Poynor
a15087ec16 staging: gasket: Kconfig: describe Apex as an Edge TPU device
Add a brief description and URL for more information on the Apex device,
an Edge TPU (Tensorflow Processing Unit) machine learning accelerator.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:22:01 +02:00
Chengguang Xu
f8499d6edc staging: erofs: code cleanup for erofs_kmalloc()
Define a dummy function of time_to_inject()/erofs_show_injection_info(),
so that we don't have to check macro CONFIG_EROFS_FAULT_INJECTION in
calling place.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18 13:21:26 +02:00
Greg Kroah-Hartman
7dc074348e Merge 4.19-rc4 into staging-next
Handle the merge issues and take the iio and staging driver fixes.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-16 22:04:13 +02:00
Linus Torvalds
7876320f88 Linux 4.19-rc4 2018-09-16 11:52:37 -07:00
Greg Kroah-Hartman
8a104f8b58 Code of Conduct: Let's revamp it.
The Code of Conflict is not achieving its implicit goal of fostering
civility and the spirit of 'be excellent to each other'.  Explicit
guidelines have demonstrated success in other projects and other areas
of the kernel.

Here is a Code of Conduct statement for the wider kernel.  It is based
on the Contributor Covenant as described at www.contributor-covenant.org

From this point forward, we should abide by these rules in order to help
make the kernel community a welcoming environment to participate in.

Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Olof Johansson <olof@lxom.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-09-16 11:42:28 -07:00
Linus Torvalds
27c5a778df Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingol Molnar:
 "Misc fixes:

   - EFI crash fix

   - Xen PV fixes

   - do not allow PTI on 2-level 32-bit kernels for now

   - documentation fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/APM: Fix build warning when PROC_FS is not enabled
  Revert "x86/mm/legacy: Populate the user page-table with user pgd's"
  x86/efi: Load fixmap GDT in efi_call_phys_epilog() before setting %cr3
  x86/xen: Disable CPU0 hotplug for Xen PV
  x86/EISA: Don't probe EISA bus for Xen PV guests
  x86/doc: Fix Documentation/x86/earlyprintk.txt
2018-09-15 08:02:46 -10:00
Linus Torvalds
4314daa55b Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
 "Misc fixes: various scheduler metrics corner case fixes, a
  sched_features deadlock fix, and a topology fix for certain NUMA
  systems"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix kernel-doc notation warning
  sched/fair: Fix load_balance redo for !imbalance
  sched/fair: Fix scale_rt_capacity() for SMT
  sched/fair: Fix vruntime_normalized() for remote non-migration wakeup
  sched/pelt: Fix update_blocked_averages() for RT and DL classes
  sched/topology: Set correct NUMA topology type
  sched/debug: Fix potential deadlock when writing to sched_features
2018-09-15 08:00:37 -10:00
Linus Torvalds
c0be92b5b1 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Mostly tooling fixes, but also breakpoint and x86 PMU driver fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
  perf tools: Fix maps__find_symbol_by_name()
  tools headers uapi: Update tools's copy of linux/if_link.h
  tools headers uapi: Update tools's copy of linux/vhost.h
  tools headers uapi: Update tools's copies of kvm headers
  tools headers uapi: Update tools's copy of drm/drm.h
  tools headers uapi: Update tools's copy of asm-generic/unistd.h
  tools headers uapi: Update tools's copy of linux/perf_event.h
  perf/core: Force USER_DS when recording user stack data
  perf/UAPI: Clearly mark __PERF_SAMPLE_CALLCHAIN_EARLY as internal use
  perf/x86/intel: Add support/quirk for the MISPREDICT bit on Knights Landing CPUs
  perf annotate: Fix parsing aarch64 branch instructions after objdump update
  perf probe powerpc: Ignore SyS symbols irrespective of endianness
  perf event-parse: Use fixed size string for comms
  perf util: Fix bad memory access in trace info.
  perf tools: Streamline bpf examples and headers installation
  perf evsel: Fix potential null pointer dereference in perf_evsel__new_idx()
  perf arm64: Fix include path for asm-generic/unistd.h
  perf/hw_breakpoint: Simplify breakpoint enable in perf_event_modify_breakpoint
  perf/hw_breakpoint: Enable breakpoint in modify_user_hw_breakpoint
  perf/hw_breakpoint: Remove superfluous bp->attr.disabled = 0
  ...
2018-09-15 06:44:32 -10:00
Linus Torvalds
ca062f8df5 Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
 "Misc fixes: liblockdep fixes and ww_mutex fixes"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/ww_mutex: Fix spelling mistake "cylic" -> "cyclic"
  locking/lockdep: Delete unnecessary #include
  tools/lib/lockdep: Add dummy task_struct state member
  tools/lib/lockdep: Add empty nmi.h
  tools/lib/lockdep: Update Sasha Levin email to MSFT
  jump_label: Fix typo in warning message
  locking/mutex: Fix mutex debug call and ww_mutex documentation
2018-09-15 06:39:09 -10:00
Randy Dunlap
002b87d2aa x86/APM: Fix build warning when PROC_FS is not enabled
Fix build warning in apm_32.c when CONFIG_PROC_FS is not enabled:

../arch/x86/kernel/apm_32.c:1643:12: warning: 'proc_apm_show' defined but not used [-Wunused-function]
 static int proc_apm_show(struct seq_file *m, void *v)

Fixes: 3f3942aca6 ("proc: introduce proc_create_single{,_data}")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Jiri Kosina <jikos@kernel.org>
Link: https://lkml.kernel.org/r/be39ac12-44c2-4715-247f-4dcc3c525b8b@infradead.org
2018-09-15 10:16:25 +02:00
Linus Torvalds
3a5af36b6d fixes for four CIFS/SMB3 potential pointer overflow issues, one minor build fix, and a build warning cleanup
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Merge tag '4.19-rc3-smb3-cifs' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Fixes for four CIFS/SMB3 potential pointer overflow issues, one minor
  build fix, and a build warning cleanup"

* tag '4.19-rc3-smb3-cifs' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: read overflow in is_valid_oplock_break()
  cifs: integer overflow in in SMB2_ioctl()
  CIFS: fix wrapping bugs in num_entries()
  cifs: prevent integer overflow in nxt_dir_entry()
  fs/cifs: require sha512
  fs/cifs: suppress a string overflow warning
2018-09-14 19:33:42 -10:00
Linus Torvalds
589109df31 NFS client bugfixes for Linux 4.19
Stable bugfixes:
 - v4.17+: Fix a tracepoint Oops in initiate_file_draining()
 - v4.17+: Fix a tracepoint Oops in initiate_file_draining()
 - v4.11+: Fix an infinite loop on I/O
 
 Other fixes:
 - Return errors if a waiting layoutget is killed
 - Don't open code clearing of delegation state
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Merge tag 'nfs-for-4.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client bugfixes from Anna Schumaker:
 "These are a handful of fixes for problems that Trond found. Patch #1
  and #3 have the same name, a second issue was found after applying the
  first patch.

  Stable bugfixes:
   - v4.17+: Fix tracepoint Oops in initiate_file_draining()
   - v4.11+: Fix an infinite loop on I/O

  Other fixes:
   - Return errors if a waiting layoutget is killed
   - Don't open code clearing of delegation state"

* tag 'nfs-for-4.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
  NFS: Don't open code clearing of delegation state
  NFSv4.1 fix infinite loop on I/O.
  NFSv4: Fix a tracepoint Oops in initiate_file_draining()
  pNFS: Ensure we return the error if someone kills a waiting layoutget
  NFSv4: Fix a tracepoint Oops in initiate_file_draining()
2018-09-14 19:25:28 -10:00
Linus Torvalds
5b945fd2c3 This fixes an issue with the build system caused by a change that
modifies CC_FLAGS_FTRACE. The issue is that it breaks the dependencies
 and causes "make targz-pkg" to rebuild the entire world.
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Merge tag 'trace-v4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fix from Steven Rostedt:
 "This fixes an issue with the build system caused by a change that
  modifies CC_FLAGS_FTRACE. The issue is that it breaks the dependencies
  and causes "make targz-pkg" to rebuild the entire world"

* tag 'trace-v4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing/Makefile: Fix handling redefinition of CC_FLAGS_FTRACE
2018-09-14 17:31:02 -10:00
Linus Torvalds
090b75bcba Devicetree fixes for 4.19, part 2:
- Fix a regression on systems having a DT without any phandles which
   happens on a PowerMac G3.
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Merge tag 'devicetree-fixes-for-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree fix from Rob Herring:
 "One regression for a 20 year old PowerMac:

   - Fix a regression on systems having a DT without any phandles which
     happens on a PowerMac G3"

* tag 'devicetree-fixes-for-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of: fix phandle cache creation for DTs with no phandles
2018-09-14 13:03:17 -10:00
Linus Torvalds
d7c0268090 xen: fixes for 4.19-rc4
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Merge tag 'for-linus-4.19c-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:
 "This contains some minor cleanups and fixes:

   - a new knob for controlling scrubbing of pages returned by the Xen
     balloon driver to the Xen hypervisor to address a boot performance
     issue seen in large guests booted pre-ballooned

   - a fix of a regression in the gntdev driver which made it impossible
     to use fully virtualized guests (HVM guests) with a 4.19 based dom0

   - a fix in Xen cpu hotplug functionality which could be triggered by
     wrong admin commands (setting number of active vcpus to 0)

  One further note: the patches have all been under test for several
  days in another branch. This branch has been rebased in order to avoid
  merge conflicts"

* tag 'for-linus-4.19c-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/gntdev: fix up blockable calls to mn_invl_range_start
  xen: fix GCC warning and remove duplicate EVTCHN_ROW/EVTCHN_COL usage
  xen: avoid crash in disable_hotplug_cpu
  xen/balloon: add runtime control for scrubbing ballooned out pages
  xen/manage: don't complain about an empty value in control/sysrq node
2018-09-14 13:01:06 -10:00
Linus Torvalds
eae4f8851f Xtensa fixes and cleanups for v4.19:
- don't allocate memory in platform_setup as the memory allocator is not
   initialized at that point yet;
 - remove unnecessary ifeq KBUILD_SRC from arch/xtensa/Makefile;
 - enable SG chaining in arch/xtensa/Kconfig.
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Merge tag 'xtensa-20180914' of git://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa fixes and cleanups from Max Filippov:

 - don't allocate memory in platform_setup as the memory allocator is
   not initialized at that point yet;

 - remove unnecessary ifeq KBUILD_SRC from arch/xtensa/Makefile;

 - enable SG chaining in arch/xtensa/Kconfig.

* tag 'xtensa-20180914' of git://github.com/jcmvbkbc/linux-xtensa:
  xtensa: enable SG chaining in Kconfig
  xtensa: remove unnecessary KBUILD_SRC ifeq conditional
  xtensa: ISS: don't allocate memory in platform_setup
2018-09-14 12:56:42 -10:00
Linus Torvalds
3e153256d9 arm64 fixes
- Fix ioport_map() mapping the wrong physical address for some I/O BARs
 
 - Remove direct use of "asm goto", since some compilers don't like that
 
 - Ensure kimage_voffset is always present in vmcoreinfo PT_NOTE
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "The trickle of arm64 fixes continues to come in.

  Nothing that's the end of the world, but we've got a fix for PCI IO
  port accesses, an accidental naked "asm goto" and a fix to the
  vmcoreinfo PT_NOTE merged this time around which we'd like to get
  sorted before it becomes ABI.

   - Fix ioport_map() mapping the wrong physical address for some I/O
     BARs

   - Remove direct use of "asm goto", since some compilers don't like
     that

   - Ensure kimage_voffset is always present in vmcoreinfo PT_NOTE"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  asm-generic: io: Fix ioport_map() for !CONFIG_GENERIC_IOMAP && CONFIG_INDIRECT_PIO
  arm64: kernel: arch_crash_save_vmcoreinfo() should depend on CONFIG_CRASH_CORE
  arm64: jump_label.h: use asm_volatile_goto macro instead of "asm goto"
2018-09-14 12:42:02 -10:00
Trond Myklebust
9f0c5124f4 NFS: Don't open code clearing of delegation state
Add a helper for the case when the nfs4 open state has been set to use
a delegation stateid, and we want to revert to using the open stateid.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-09-14 16:24:27 -04:00
Trond Myklebust
994b15b983 NFSv4.1 fix infinite loop on I/O.
The previous fix broke recovery of delegated stateids because it assumes
that if we did not mark the delegation as suspect, then the delegation has
effectively been revoked, and so it removes that delegation irrespectively
of whether or not it is valid and still in use. While this is "mostly
harmless" for ordinary I/O, we've seen pNFS fail with LAYOUTGET spinning
in an infinite loop while complaining that we're using an invalid stateid
(in this case the all-zero stateid).

What we rather want to do here is ensure that the delegation is always
correctly marked as needing testing when that is the case. So we want
to close the loophole offered by nfs4_schedule_stateid_recovery(),
which marks the state as needing to be reclaimed, but not the
delegation that may be backing it.

Fixes: 0e3d3e5df0 ("NFSv4.1 fix infinite loop on IO BAD_STATEID error")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.11+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-09-14 16:24:11 -04:00
Trond Myklebust
2edaead69e NFSv4: Fix a tracepoint Oops in initiate_file_draining()
Now that the value of 'ino' can be NULL or an ERR_PTR(), we need to
change the test in the tracepoint.

Fixes: ce5624f7e6 ("NFSv4: Return NFS4ERR_DELAY when a layout fails...")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.17+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-09-14 16:24:08 -04:00
Trond Myklebust
d03360aaf5 pNFS: Ensure we return the error if someone kills a waiting layoutget
If someone interrupts a wait on one or more outstanding layoutgets in
pnfs_update_layout() then return the ERESTARTSYS/EINTR error.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-09-14 16:24:08 -04:00
Trond Myklebust
2a534a7473 NFSv4: Fix a tracepoint Oops in initiate_file_draining()
Now that the value of 'ino' can be NULL or an ERR_PTR(), we need to
change the test in the tracepoint.

Fixes: ce5624f7e6 ("NFSv4: Return NFS4ERR_DELAY when a layout fails...")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.17+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-09-14 16:23:16 -04:00
Linus Torvalds
f3c0b8ce48 dmaengine fix for dmaengine-fix-4.19-rc4
- Fix mic_x100_dma to use devm_kzalloc to ensure memory is freed after
    use by device manage dmaengine release function added in merge window
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Merge tag 'dmaengine-fix-4.19-rc4' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine fix from Vinod Koul:
 "Fix the mic_x100_dma driver to use devm_kzalloc for driver memory, so
  that it is freed properly when it unregisters from dmaengine using
  managed API"

* tag 'dmaengine-fix-4.19-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: mic_x100_dma: use devm_kzalloc to fix an issue
2018-09-14 06:08:40 -10:00
Linus Torvalds
1abc088afd USB fixes for 4.19-rc4
Here are a number of small USB driver fixes for -rc4.
 
 The usual suspects of gadget, xhci, and dwc2/3 are in here, along with
 some reverts of reported problem changes, and a number of build
 documentation warning fixes.  Full details are in the shortlog.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of small USB driver fixes for -rc4.

  The usual suspects of gadget, xhci, and dwc2/3 are in here, along with
  some reverts of reported problem changes, and a number of build
  documentation warning fixes. Full details are in the shortlog.

  All of these have been in linux-next with no reported issues"

* tag 'usb-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
  Revert "cdc-acm: implement put_char() and flush_chars()"
  usb: Change usb_of_get_companion_dev() place to usb/common
  usb: xhci: fix interrupt transfer error happened on MTK platforms
  usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt()
  usb: misc: uss720: Fix two sleep-in-atomic-context bugs
  usb: host: u132-hcd: Fix a sleep-in-atomic-context bug in u132_get_frame()
  usb: Avoid use-after-free by flushing endpoints early in usb_set_interface()
  linux/mod_devicetable.h: fix kernel-doc missing notation for typec_device_id
  usb/typec: fix kernel-doc notation warning for typec_match_altmode
  usb: Don't die twice if PCI xhci host is not responding in resume
  usb: mtu3: fix error of xhci port id when enable U3 dual role
  usb: uas: add support for more quirk flags
  USB: Add quirk to support DJI CineSSD
  usb: typec: fix kernel-doc parameter warning
  usb/dwc3/gadget: fix kernel-doc parameter warning
  USB: yurex: Check for truncation in yurex_read()
  USB: yurex: Fix buffer over-read in yurex_write()
  usb: host: xhci-plat: Iterate over parent nodes for finding quirks
  xhci: Fix use after free for URB cancellation on a reallocated endpoint
  USB: add quirk for WORLDE Controller KS49 or Prodipe MIDI 49C USB controller
  ...
2018-09-14 05:59:48 -10:00
Linus Torvalds
c284cf0621 TTY fixes for 4.19-rc4
Here are 3 small HVC tty driver fixes to resolve a reported regression
 from 4.19-rc1.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty fixes from Greg KH:
 "Here are three small HVC tty driver fixes to resolve a reported
  regression from 4.19-rc1.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: hvc: hvc_write() fix break condition
  tty: hvc: hvc_poll() fix read loop batching
  tty: hvc: hvc_poll() fix read loop hang
2018-09-14 05:58:12 -10:00
Linus Torvalds
45d9ab8a30 Staging/IIO fixes for 4.19-rc4
Here are a few small staging and iio driver fixes for -rc4.
 
 Nothing major, just a few small bugfixes for some reported issues, and a
 MAINTAINERS file update for the fbtft drivers.  We also re-enable the
 building of the erofs filesystem as the patcheset that was causing it to
 break never got merged in the -rc1 cycle, so there's no reason it can't
 be turned back on for now.  The problem that was previously there is now
 being handled in that other tree at the moment, so it will not hit us
 again in the future.
 
 All of these patches have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO driver fixes from Greg KH:
 "Here are a few small staging and iio driver fixes for -rc4.

  Nothing major, just a few small bugfixes for some reported issues, and
  a MAINTAINERS file update for the fbtft drivers.

  We also re-enable the building of the erofs filesystem as the XArray
  patches that were causing it to break never got merged in the -rc1
  cycle, so there's no reason it can't be turned back on for now. The
  problem that was previously there is now being handled in the Xarray
  tree at the moment, so it will not hit us again in the future.

  All of these patches have been in linux-next with no reported issues"

* tag 'staging-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: vboxvideo: Change address of scanout buffer on page-flip
  staging: vboxvideo: Fix IRQs no longer working
  staging: gasket: TODO: re-implement using UIO
  staging/fbtft: Update TODO and mailing lists
  staging: erofs: rename superblock flags (MS_xyz -> SB_xyz)
  iio: imu: st_lsm6dsx: take into account ts samples in wm configuration
  Revert "iio: temperature: maxim_thermocouple: add MAX31856 part"
  Revert "staging: erofs: disable compiling temporarile"
  MAINTAINERS: Switch a maintainer for drivers/staging/gasket
  staging: wilc1000: revert "fix TODO to compile spi and sdio components in single module"
2018-09-14 05:43:43 -10:00