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linux-next/drivers/video
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Samuel CUELLA 16b71fdf97 i810: fix kernel crash fix when struct fb_var_screeninfo is supplied 
Prevent the kernel from being crashed by a divide-by-zero operation when
supplied an incorrectly filled 'struct fb_var_screeninfo' from userland.

Previously i810_main.c:1005 (i810_check_params) was using the global
'yres' symbol previously defined at i810_main.c:145 as a module parameter
value holder (i810_main.c:2174).  If i810fb is compiled-in or if this
param doesn't get a default value, this direct usage leads to a
divide-by-zero at i810_main.c:1005 (i810_check_params).  The patch simply
replace the 'yres' global, perhaps undefined symbol usage by a given
parameter structure lookup.

This problem occurs with directfb, mplayer -vo fbdev, SDL library.
It was also reported ( but non solved ) at:

	http://mail.directfb.org/pipermail/directfb-dev/2008-March/004050.html

Signed-off-by: Samuel CUELLA <samuel.cuella@supinfo.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10 15:55:12 -07:00
..
aty
atyfb: remove unused local variable `pwr_command'
2009-02-20 17:57:50 -08:00
backlight
drivers/video/backlight: rename da903x to da903x_bl
2009-02-05 12:56:48 -08:00
console
fbdev: Kill Atari vblank cursor blinking
2009-01-12 20:56:43 +01:00
display
device create: video: convert device_create_drvdata to device_create
2008-10-16 09:24:45 -07:00
geode
gx1fb: properly alloc cmap and plug cmap leak
2009-02-11 14:25:34 -08:00
i810
i810: fix kernel crash fix when struct fb_var_screeninfo is supplied
2009-03-10 15:55:12 -07:00
intelfb
i2c: Delete many unused adapter IDs
2009-01-26 21:19:52 +01:00
kyro
fbdev: change asm/uaccess.h to linux/uaccess.h
2007-10-16 09:43:17 -07:00
logo
video/logo: add support for Blackfin/Linux logo for framebuffer console
2008-05-14 19:11:14 -07:00
matrox
matroxfb: support G200eV chip
2008-10-16 11:21:45 -07:00
mb862xx
drivers/video/mb862xx/mb862xxfb.c: fix printk
2008-12-10 08:01:54 -08:00
mbx
mbxfb: fix incorrect argument type
2008-03-10 18:01:20 -07:00
nvidia
i2c: Delete many unused adapter IDs
2009-01-26 21:19:52 +01:00
omap
[ARM] omap: ensure OMAP drivers pass a struct device to clk_get()
2009-01-24 11:41:16 +00:00
pnx4008
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
2008-08-07 09:55:48 +01:00
riva
video: replace remaining __FUNCTION__ occurrences
2008-04-28 08:58:42 -07:00
savage
i2c: Delete many unused adapter IDs
2009-01-26 21:19:52 +01:00
sis
video/sis/: remove compat code
2008-07-24 10:47:37 -07:00
vermilion
removed unused #include <linux/version.h>'s
2008-08-23 12:14:12 -07:00
via
viafb: fix sparse warnings
2009-01-06 15:59:26 -08:00
68328fb.c
68328fb: the pseudo_palette is only 16 elements long
2007-07-17 10:23:11 -07:00
acornfb.c
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
2008-08-07 09:55:48 +01:00
acornfb.h
…
amba-clcd.c
[ARM] Fix realview build
2009-01-08 16:29:41 +00:00
amifb.c
fbdev: c2p - Rename c2p to c2p_planar
2009-01-12 20:56:32 +01:00
arcfb.c
fbdev: change asm/uaccess.h to linux/uaccess.h
2007-10-16 09:43:17 -07:00
arkfb.c
removed unused #include <linux/version.h>'s
2008-08-23 12:14:12 -07:00
asiliantfb.c
[PATCH] vt: Remove VT-specific declarations and definitions from tty.h
2006-07-10 13:24:16 -07:00
atafb_iplan2p2.c
m68k: Atari fb revival
2007-05-04 17:59:05 -07:00
atafb_iplan2p4.c
m68k: Atari fb revival
2007-05-04 17:59:05 -07:00
atafb_iplan2p8.c
m68k: Atari fb revival
2007-05-04 17:59:05 -07:00
atafb_mfb.c
m68k: Atari fb revival
2007-05-04 17:59:05 -07:00
atafb_utils.h
m68k: Atari fb revival
2007-05-04 17:59:05 -07:00
atafb.c
m68k: atari - Rename "mfp" to "st_mfp"
2009-02-22 09:23:02 -08:00
atafb.h
m68k: Atari fb revival
2007-05-04 17:59:05 -07:00
atmel_lcdfb.c
drivers/video: bad error test before a dereference
2008-11-19 18:49:57 -08:00
au1100fb.c
au1100fb: fix modpost warnings
2007-10-18 14:37:17 -07:00
au1100fb.h
[PATCH] au11oofb: fix to remove flickering
2006-12-08 08:29:06 -08:00
au1200fb.c
some kmalloc/memset ->kzalloc (tree wide)
2007-07-19 10:04:50 -07:00
au1200fb.h
…
bf54x-lq043fb.c
video/framebuffer: fix bug: jpegview cannot work on framebuffer device other than 16BPP
2009-01-15 16:39:35 -08:00
bfin-t350mcqb-fb.c
video/framebuffer: move the probe func into .devinit.text in Blackfin LCD driver
2009-02-11 14:25:35 -08:00
bt431.h
…
bt455.h
…
bw2.c
sparc: Annotate of_device_id arrays with const or __initdata.
2008-08-31 01:23:17 -07:00
c2p_core.h
fbdev: c2p/atafb - Add support for Atari interleaved bitplanes
2009-01-12 20:56:31 +01:00
c2p_iplan2.c
fbdev: c2p/atafb - Add support for Atari interleaved bitplanes
2009-01-12 20:56:31 +01:00
c2p_planar.c
fbdev: c2p - Rename c2p to c2p_planar
2009-01-12 20:56:32 +01:00
c2p.h
fbdev: c2p - Rename c2p to c2p_planar
2009-01-12 20:56:32 +01:00
carminefb_regs.h
fbdev: add the carmine FB driver
2008-07-24 10:47:34 -07:00
carminefb.c
fb: carminefb: trivial annotation packing color register
2009-01-06 15:59:26 -08:00
carminefb.h
fbdev: add the carmine FB driver
2008-07-24 10:47:34 -07:00
cfbcopyarea.c
fb: add support for foreign endianness
2008-04-28 08:58:35 -07:00
cfbfillrect.c
fb: add support for foreign endianness
2008-04-28 08:58:35 -07:00
cfbimgblt.c
video: replace remaining __FUNCTION__ occurrences
2008-04-28 08:58:42 -07:00
cg3.c
sparc: Annotate of_device_id arrays with const or __initdata.
2008-08-31 01:23:17 -07:00
cg6.c
cg6: disable cursor when leaving graphics mode
2008-10-10 12:12:41 -07:00
cg14.c
sparc: Annotate of_device_id arrays with const or __initdata.
2008-08-31 01:23:17 -07:00
chipsfb.c
PM: Introduce PM_EVENT_HIBERNATE callback state
2008-02-23 10:40:04 -08:00
cirrusfb.c
cirrusfb: remove unused variables
2008-11-19 18:49:59 -08:00
clps711xfb.c
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
2008-08-07 09:55:48 +01:00
cobalt_lcdfb.c
fbdev: add new Cobalt LCD framebuffer driver
2008-07-24 10:47:40 -07:00
controlfb.c
powerpc/mm: Rework usage of _PAGE_COHERENT/NO_CACHE/GUARDED
2008-12-21 14:21:16 +11:00
controlfb.h
…
cyber2000fb.c
pci: use pci_ioremap_bar() in drivers/video
2009-01-06 15:59:26 -08:00
cyber2000fb.h
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
cyblafb.c
drivers/video/: Spelling fixes
2008-02-03 17:31:49 +02:00
dnfb.c
m68k: dnfb doesnt check for Apollo
2008-05-18 13:28:49 -07:00
edid.h
…
efifb.c
efifb/imacfb consolidation + hardware support
2008-10-16 11:21:44 -07:00
epson1355fb.c
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
2008-08-07 09:55:48 +01:00
fb_ddc.c
i2c: Let framebuffer drivers set their I2C bus class to DDC
2008-07-14 22:38:28 +02:00
fb_defio.c
video: deferred io with physically contiguous memory
2008-12-22 18:44:48 +09:00
fb_draw.h
fb: add support for foreign endianness
2008-04-28 08:58:35 -07:00
fb_notify.c
[PATCH] fbdev: statically link the framebuffer notification functions
2006-07-31 13:28:44 -07:00
fb_sys_fops.c
fbdev: change asm/uaccess.h to linux/uaccess.h
2007-10-16 09:43:17 -07:00
fbcmap.c
fbmem: don't call copy_from/to_user() with mutex held
2009-02-05 12:56:46 -08:00
fbcvt.c
[PATCH] various fbdev files: mark structs and array read-only
2006-12-08 08:29:05 -08:00
fbmem.c
fbmem: don't call copy_from/to_user() with mutex held
2009-02-05 12:56:46 -08:00
fbmon.c
fbmon: fix EDID parser to detect interlace modes
2008-10-16 11:21:44 -07:00
fbsysfs.c
fbdev: fix obvious bug in show_pan()
2007-05-08 11:15:26 -07:00
ffb.c
sparc: Annotate of_device_id arrays with const or __initdata.
2008-08-31 01:23:17 -07:00
fm2fb.c
fm2fb: the pseudo_palette is only 16 elements long
2007-07-17 10:23:12 -07:00
fsl-diu-fb.c
freescale DIU: bug fix: add sanity check for AOI position
2008-08-15 08:35:43 -07:00
fsl-diu-fb.h
fbdev: powerpc: driver for Freescale 8610 and 5121 DIU
2008-04-28 08:58:40 -07:00
g364fb.c
PCI: Cleanup the includes of <linux/pci.h>
2007-05-02 19:02:35 -07:00
gbefb.c
gbefb: unsigned var->pixclock cannot be less than 0
2009-01-06 15:59:26 -08:00
gxt4500.c
pci: use pci_ioremap_bar() in drivers/video
2009-01-06 15:59:26 -08:00
hecubafb.c
fbdev: platforming hecubafb and n411
2008-04-28 08:58:41 -07:00
hgafb.c
hgafb: convert to new platform driver API
2008-07-24 10:47:39 -07:00
hitfb.c
video: Fix up hp6xx driver build regressions.
2008-07-30 02:16:12 +09:00
hpfb.c
m68k: Return -ENODEV if no device is found
2008-05-18 13:28:50 -07:00
igafb.c
drivers/video: add missing pci_dev_get
2008-02-06 10:41:16 -08:00
imsttfb.c
video: replace remaining __FUNCTION__ occurrences
2008-04-28 08:58:42 -07:00
imxfb.c
i.MX Framebuffer: add TFT support
2008-12-16 15:43:50 +01:00
Kconfig
fbdev/drm: fix Kconfig submenu mess in "Graphics support"
2009-02-18 15:37:56 -08:00
leo.c
leo: disable cursor when leaving graphics mode
2008-10-10 12:13:22 -07:00
macfb.c
macfb annotations and compiler warning fix
2008-12-28 20:00:05 +01:00
macmodes.c
drivers/video/macmodes.c:mac_find_mode() mustn't be __devinit
2007-07-17 10:23:13 -07:00
macmodes.h
drivers/video/macmodes.c:mac_find_mode() mustn't be __devinit
2007-07-17 10:23:13 -07:00
Makefile
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
2009-01-26 10:13:08 -08:00
maxinefb.c
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
metronomefb.c
metronomefb: Fix warning when building 64bit
2008-10-15 10:19:51 -07:00
modedb.c
fbdev: fix typo in drivers/video/modedb.c
2009-01-06 15:59:26 -08:00
mx3fb.c
i.MX31: framebuffer driver
2009-01-21 10:32:34 -07:00
n411.c
fbdev: platforming hecubafb and n411
2008-04-28 08:58:41 -07:00
neofb.c
neofb: fix sparse warnings
2009-01-06 15:59:27 -08:00
offb.c
fbdev: Teaches offb about palette on radeon r5xx/r6xx
2008-07-22 10:39:36 +10:00
output.c
video: struct device - replace bus_id with dev_name(), dev_set_name()
2009-01-06 10:44:35 -08:00
p9100.c
sparc: Annotate of_device_id arrays with const or __initdata.
2008-08-31 01:23:17 -07:00
platinumfb.c
platinumfb: Use linux/of_{device,platform}.h instead of asm
2008-06-09 13:46:38 +10:00
platinumfb.h
…
pm2fb.c
pm2fb: free cmap memory on module remove
2008-08-20 15:40:31 -07:00
pm3fb.c
pm3fb: fix sparse warning
2009-01-06 15:59:27 -08:00
pmag-aa-fb.c
fbcon: fix color generation for monochrome framebuffer
2008-02-06 10:41:18 -08:00
pmag-ba-fb.c
drivers/video/pmag-ba-fb.c: improve diagnostics
2007-10-16 09:43:19 -07:00
pmagb-b-fb.c
pmagb-b-fb: improve diagnostics
2007-10-16 09:43:20 -07:00
ps3fb.c
powerpc/ps3: printing fixups for l64 to ll64 conversion drivers/video
2009-01-16 16:15:15 +11:00
pvr2fb.c
sh: More header path fixups for mach dir refactoring.
2008-07-29 22:10:01 +09:00
pxafb.c
[ARM] fix lots of ARM __devexit sillyness
2009-03-03 21:04:04 +00:00
pxafb.h
[ARM] pxafb: add support for overlay1 and overlay2 as framebuffer devices
2008-12-29 18:00:04 +08:00
q40fb.c
q40fb: the pseudo_palette is only 16 elements long
2007-07-17 10:23:12 -07:00
s1d13xxxfb.c
fbdev: allow more chip revisions in Epson s1d13... video driver
2008-10-16 11:21:45 -07:00
s3c2410fb.c
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
2008-08-07 09:55:48 +01:00
s3c2410fb.h
S3C2410: clean out changelog header and tidy
2008-05-24 09:56:13 -07:00
s3fb.c
removed unused #include <linux/version.h>'s
2008-08-23 12:14:12 -07:00
sa1100fb.c
[ARM] remove memzero()
2008-11-27 12:37:59 +00:00
sa1100fb.h
sa1100fb: convert ctrlr_sem in a mutex
2008-07-24 10:47:37 -07:00
sbuslib.c
sparc video: remove open boot prom code
2008-05-08 21:37:30 -07:00
sbuslib.h
sparc video: remove open boot prom code
2008-05-08 21:37:30 -07:00
sgivwfb.c
x86, VisWS: turn into generic arch, move definitions
2008-07-10 18:55:40 +02:00
sh7760fb.c
sh: sh7760fb: Fix color pallette setting
2008-12-22 18:42:54 +09:00
sh_mobile_lcdcfb.c
video: deferred io cleanup fix for sh_mobile_lcdcfb
2009-03-10 15:23:01 +09:00
skeletonfb.c
skeletonfb: update to correct platform driver usage
2008-07-24 10:47:39 -07:00
sm501fb.c
sm501: unsigned ptr cannot be negative
2009-01-06 15:59:27 -08:00
sstfb.c
video: replace remaining __FUNCTION__ occurrences
2008-04-28 08:58:42 -07:00
sticore.h
video/console/stico{n,re}.c: make code static
2008-07-26 12:00:12 -07:00
stifb.c
video/stifb.c: make 2 functions static
2008-07-26 12:00:12 -07:00
sunxvr500.c
sparc video: remove open boot prom code
2008-05-08 21:37:30 -07:00
sunxvr2500.c
sparc video: remove open boot prom code
2008-05-08 21:37:30 -07:00
svgalib.c
svgalib: mode selection updates
2007-10-16 09:43:22 -07:00
syscopyarea.c
fb: add support for foreign endianness
2008-04-28 08:58:35 -07:00
sysfillrect.c
fb: add support for foreign endianness
2008-04-28 08:58:35 -07:00
sysimgblt.c
video: replace remaining __FUNCTION__ occurrences
2008-04-28 08:58:42 -07:00
tcx.c
sparc: Annotate of_device_id arrays with const or __initdata.
2008-08-31 01:23:17 -07:00
tdfxfb.c
tdfxfb: do not make changes to default tdfx_fix
2008-10-16 11:21:42 -07:00
tgafb.c
tgafb: remove a redundant non-mono test in mono imageblit
2007-10-16 09:43:23 -07:00
tmiofb.c
tmiofb: fix compilation with ACCEL disabled
2008-11-19 18:49:58 -08:00
tridentfb.c
tridentfb: remove warning message that cyblafb driver should be used
2008-07-24 10:47:36 -07:00
uvesafb.c
uvesafb: don't treat mode info retrieval failures as errors
2008-10-16 11:21:44 -07:00
valkyriefb.c
some kmalloc/memset ->kzalloc (tree wide)
2007-07-19 10:04:50 -07:00
valkyriefb.h
…
vesafb.c
[PATCH] annotate some variables in vesafb driver as __read_mostly
2006-12-08 08:29:06 -08:00
vfb.c
vfb: only enable if explicitly requested when compiled in
2008-07-24 10:47:39 -07:00
vga16fb.c
vga16fb: remove open_lock mutex
2008-10-16 11:21:42 -07:00
vgastate.c
vga: vgastate fix
2007-05-08 11:15:32 -07:00
vt8623fb.c
removed unused #include <linux/version.h>'s
2008-08-23 12:14:12 -07:00
w100fb.c
w100fb: add 80 MHz modeline
2008-07-04 10:40:08 -07:00
w100fb.h
[PATCH] w100fb: Add acceleration support to ATI Imageon
2006-03-31 12:19:00 -08:00
xen-fbfront.c
get xenbus_driver ->probe() "recognized" by modpost
2008-11-30 10:03:38 -08:00
xilinxfb.c
powerpc/virtex: fix various format/casting printk mismatches
2008-11-14 09:59:48 -07:00