Commit Graph

10 Commits

Author SHA1 Message Date
Christophe JAILLET
8cae353e6b video: fbdev: au1200fb: Return an error code if a memory allocation fails
'ret' is known to be 0 at this point.
In case of memory allocation error in 'framebuffer_alloc()', return
-ENOMEM instead.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2017-11-09 18:09:28 +01:00
Christophe JAILLET
2e307cba0c video: fbdev: au1200fb: Fix a potential double free
If 'fb_alloc_cmap()' fails, 'fbi->pseudo_palette' is freed and an error
code is returned by 'au1200fb_init_fbinfo()'.
The only caller, 'au1200fb_drv_probe()' goes to an error handling path
where resources allocated in 'fb_alloc_cmap()' are freed.
This leads to a double free of 'fbi->pseudo_palette'.

Fix it by letting the caller free all resources in case of failure in
'au1200fb_init_fbinfo()'.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2017-11-09 18:09:28 +01:00
Christoph Hellwig
63d36c9550 dma-mapping: replace dmam_alloc_noncoherent with dmam_alloc_attrs
dmam_alloc_noncoherent is a trivial wrapper around dmam_alloc_attrs,
that hardcodes one particular flag.  Make the devres code more
flexible by allowing the callers to pass arbitrary flags.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
2017-06-28 06:55:00 -07:00
Al Viro
29abfbd9cb mips: separate extable.h, switch module.h to it
more victims of indirect include chains - au1200fb
lasat/picvue_proc and watchdog/ath79_wdt

... as well as tb0219, spotted by Sudip Mukherjee

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-05 18:36:18 -04:00
Wolfram Sang
6a732becfd video: fbdev: drop owner assignment from platform_drivers
A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-10-20 16:21:51 +02:00
Julia Lawall
58678a7702 video: fbdev: au1200fb: delete double assignment
Delete successive assignments to the same location.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression i;
@@

*i = ...;
 i = ...;
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-08-26 15:53:35 +03:00
Manuel Lauss
ecc2ea3bd8 MIPS: Alchemy: au1200fb: use clk framework
minimal patch to replace direct clock register hackery with clock
framework calls.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7472/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-07-30 14:11:18 +02:00
Manuel Lauss
2f73bfbe08 MIPS: Alchemy: remove au_read/write/sync
replace au_read/write/sync with __raw_read/write and wmb.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7465/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-07-30 13:56:34 +02:00
Manuel Lauss
1d09de7dc7 MIPS: Alchemy: introduce helpers to access SYS register block.
This patch changes all absolute SYS_XY registers to offsets from the
SYS block base, prefixes them with AU1000 to avoid silent failures due
to changed addresses, and introduces helper functions to read/write
them.

No functional changes, comparing assembly of a few select functions shows
no differences.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7464/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-07-30 13:53:28 +02:00
Tomi Valkeinen
f7018c2135 video: move fbdev to drivers/video/fbdev
The drivers/video directory is a mess. It contains generic video related
files, directories for backlight, console, linux logo, lots of fbdev
device drivers, fbdev framework files.

Make some order into the chaos by creating drivers/video/fbdev
directory, and move all fbdev related files there.

No functionality is changed, although I guess it is possible that some
subtle Makefile build order related issue could be created by this
patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-04-17 08:10:19 +03:00