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linux/drivers/video/fbdev
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Wei Chen 6494344d7e fbdev: au1200fb: Fix potential divide by zero 
[ Upstream commit 44a3b36b42 ]

var->pixclock can be assigned to zero by user. Without
proper check, divide by zero would occur when invoking
macro PICOS2KHZ in au1200fb_fb_check_var.

Error out if var->pixclock is zero.

Signed-off-by: Wei Chen <harperchen1110@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-04-05 11:24:53 +02:00
..
aty
video: fbdev: atyfb: mach64_cursor.c: deleted the repeated word
2021-06-03 10:32:49 +02:00
core
Revert "fbcon: don't lose the console font across generic->chip driver switch"
2023-03-10 09:39:52 +01:00
geode
fbdev: lxfb: Fix potential divide by zero
2023-04-05 11:24:53 +02:00
i810
video: fbdev: i810: use true,false for bool variables
2020-05-06 19:29:10 +02:00
intelfb
fbdev: intelfb: Fix potential divide by zero
2023-04-05 11:24:53 +02:00
kyro
video: fbdev: kyro: Error out if 'pixclock' equals zero
2021-07-26 20:06:00 +02:00
matrox
fbdev: matroxfb: G200eW: Increase max memory from 1 MB to 16 MB
2023-01-12 11:59:17 +01:00
mb862xx
video: fbdev: mb862xx: use DEVICE_ATTR_RO macro
2021-06-03 10:32:49 +02:00
mmp
video: fbdev: mmp: Fix kernel-doc warning for lcd_spi_write
2020-12-08 18:34:25 +01:00
nvidia
fbdev: nvidia: Fix potential divide by zero
2023-04-05 11:24:53 +02:00
omap
video: omap: Remove in_interrupt() usage.
2021-02-18 15:14:32 +01:00
omap2
fbdev: omapfb: avoid stack overflow warning
2023-01-24 07:22:42 +01:00
riva
video: fbdev: riva: Error out if 'pixclock' equals zero
2021-07-26 20:06:03 +02:00
savage
fbdev: savagefb: use generic power management
2020-09-08 13:33:15 +02:00
sis
video: fbdev: sis: fix typos in SiS_GetModeID()
2022-08-17 14:24:11 +02:00
vermilion
fbdev: vermilion: decrease reference count in error path
2022-12-31 13:14:32 +01:00
via
fbdev: via: Fix error in via_core_init()
2022-12-31 13:14:31 +01:00
68328fb.c
video/fbdev/68328fb: Remove dead code
2020-01-03 14:27:43 +01:00
acornfb.c
video: fbdev: acornfb: remove free_unused_pages()
2021-02-24 13:38:31 -08:00
acornfb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
amba-clcd.c
video: fbdev: amba-clcd: Fix refcount leak bugs
2022-08-17 14:24:11 +02:00
amifb.c
backlight/video: Use Platform getter/setter functions
2021-02-12 10:01:45 +00:00
arcfb.c
video: fbdev: arcfb: remove redundant initialization of variable err
2021-07-21 13:09:21 +02:00
arkfb.c
video: fbdev: arkfb: Check the size of screen before memset_io()
2022-08-17 14:24:16 +02:00
asiliantfb.c
video: fbdev: asiliantfb: Error out if 'pixclock' equals zero
2021-07-26 20:05:50 +02:00
atafb_iplan2p2.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_iplan2p4.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_iplan2p8.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_mfb.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_utils.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
atafb.c
video: fbdev: atari: Atari 2 bpp (STe) palette bugfix
2022-04-08 14:23:00 +02:00
atafb.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
atmel_lcdfb.c
video: fbdev: atmel_lcdfb: fix an error code in atmel_lcdfb_probe()
2022-04-08 14:23:14 +02:00
au1100fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
au1100fb.h
au1100fb: fix DMA API abuse
2019-06-03 16:00:08 +02:00
au1200fb.c
fbdev: au1200fb: Fix potential divide by zero
2023-04-05 11:24:53 +02:00
au1200fb.h
fbdev: au1200fb: delete duplicate header contents
2018-01-04 16:53:49 +01:00
broadsheetfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
bt431.h
video: fbdev: bt431: Correct cursor format control macro
2016-02-26 13:06:11 +02:00
bt455.h
video: fbdev: pmag-ba-fb: Optimize Bt455 colormap addressing
2016-02-26 13:06:11 +02:00
bw2.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
c2p_core.h
fbdev: c2p: Use BUILD_BUG() instead of custom solution
2020-03-09 11:12:19 +01:00
c2p_iplan2.c
…
c2p_planar.c
…
c2p.h
…
carminefb_regs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
carminefb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
carminefb.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cg3.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
cg6.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
cg14.c
fbdev: cg14fb: use resource_size
2020-01-15 17:31:50 +01:00
chipsfb.c
fbdev: chipsfb: Add missing pci_disable_device() in chipsfb_pci_init()
2022-09-15 11:30:01 +02:00
cirrusfb.c
video: fbdev: cirrusfb: check pixclock to avoid divide by zero
2022-04-08 14:24:00 +02:00
clps711x-fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
cobalt_lcdfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
controlfb.c
video: fbdev: controlfb: Fix COMPILE_TEST build
2022-04-08 14:23:14 +02:00
controlfb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cyber2000fb.c
fbdev: cyber2000fb: use generic power management
2020-09-08 13:33:16 +02:00
cyber2000fb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
da8xx-fb.c
backlight/video: Use Platform getter/setter functions
2021-02-12 10:01:45 +00:00
dnfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
edid.h
…
efifb.c
fbdev: efifb: Fix a use-after-free due early fb_info cleanup
2022-05-18 10:26:49 +02:00
ep93xx-fb.c
fbdev: ep93xx-fb: Add missing clk_disable_unprepare in ep93xxfb_probe()
2022-12-31 13:14:32 +01:00
ffb.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
fm2fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
fsl-diu-fb.c
video: fbdev: fsl-diu-fb: remove unneeded variable 'res'
2020-10-17 08:23:14 +02:00
g364fb.c
fbdev/g364fb: Fix build failure
2020-02-19 10:58:22 -08:00
gbefb.c
video: fbdev: gbefb: Only instantiate device when built for IP32
2021-10-06 11:12:28 +02:00
goldfishfb.c
video: fbdev: goldfishfb: Fix defined but not used warning
2020-12-08 18:34:50 +01:00
grvga.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
gxt4500.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
hecubafb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
hgafb.c
video: hgafb: correctly handle card detect failure during probe
2021-05-21 15:04:05 +02:00
hitfb.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
hpfb.c
maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault
2020-06-17 10:57:41 -07:00
hyperv_fb.c
video: hyperv_fb: Avoid taking busy spinlock on panic path
2022-12-31 13:14:39 +01:00
i740_reg.h
…
i740fb.c
video: fbdev: i740fb: Error out if 'pixclock' equals zero
2022-09-23 14:15:49 +02:00
imsttfb.c
video: imsttfb: check for ioremap() failures
2021-05-13 18:58:39 +02:00
imxfb.c
video: fbdev: imxfb: Fix an error message
2021-05-07 18:34:18 +02:00
Kconfig
fbdev: uvesafb: don't build on UML
2022-12-31 13:14:32 +01:00
leo.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
macfb.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
macmodes.c
…
macmodes.h
…
Makefile
Merge tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm
2020-10-15 10:46:16 -07:00
maxinefb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
metronomefb.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
mx3fb.c
video: fbdev: mx3fb: Fix kernel-doc, set but not used and string warnings
2020-11-30 20:04:56 +01:00
n411.c
Annotate hardware config module parameters in drivers/video/
2017-04-20 12:02:32 +01:00
neofb.c
video: fbdev: neofb: add a check against divide error
2021-07-21 15:02:03 +02:00
ocfb.c
video: ocfb: Use devm_platform_ioremap_resource() in ocfb_probe()
2020-01-03 14:27:49 +01:00
offb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
p9100.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
platinumfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
platinumfb.h
…
pm2fb.c
fbdev: pm2fb: fix missing pci_disable_device()
2022-12-31 13:14:31 +01:00
pm3fb.c
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
pmag-aa-fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
pmag-ba-fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
pmagb-b-fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
ps3fb.c
powerpc/ps3: make system bus's remove and shutdown callbacks return void
2020-12-04 01:01:22 +11:00
pvr2fb.c
video: fbdev: pvr2fb: initialize variables
2020-08-05 19:47:22 +02:00
pxa3xx-gcu.c
video: fbdev: pxa3xx-gcu: Fix integer overflow in pxa3xx_gcu_write
2022-09-23 14:15:51 +02:00
pxa3xx-gcu.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pxa168fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pxa168fb.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pxafb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pxafb.h
video: pxafb: Remove cpufreq policy notifier
2019-08-26 10:02:02 +02:00
q40fb.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
s1d13xxxfb.c
video: fbdev: s1d13xxxfb: Fix kernel-doc and set but not used warnings
2020-11-29 22:51:07 +01:00
s3c2410fb-regs-lcd.h
fbdev: s3c2410fb: remove mach header dependency
2020-08-20 17:48:12 +02:00
s3c2410fb.c
fbdev: s3c2410fb: remove mach header dependency
2020-08-20 17:48:12 +02:00
s3c2410fb.h
video: s3c2410fb: Register cpufreq notifier only on S3C24xx
2016-08-11 17:54:55 +03:00
s3c-fb.c
video: fbdev: s3c-fb: Fix kernel-doc and set but not used warnings
2020-12-05 21:01:04 +01:00
s3fb.c
video: fbdev: s3fb: Check the size of screen before memset_io()
2022-08-17 14:24:16 +02:00
sa1100fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sa1100fb.h
ARM/fbdev: sa11x0: Switch to use GPIO descriptors
2020-04-17 15:50:11 +02:00
sbuslib.c
fbdev: sbuslib: remove compat_alloc_user_space usage
2020-09-25 16:34:50 +02:00
sbuslib.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sh7760fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
sh_mobile_lcdcfb.c
fbdev/sh_mobile: Drop unused include
2020-11-01 10:29:04 +01:00
sh_mobile_lcdcfb.h
fbdev/sh_mobile: remove sh_mobile_lcdc_display_notify
2019-06-12 20:28:11 +02:00
simplefb.c
fbdev: simplefb: Cleanup fb_info in .fb_destroy rather than .remove
2022-05-18 10:26:48 +02:00
skeletonfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sm501fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sm712.h
fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display
2019-04-01 17:46:59 +02:00
sm712fb.c
video: fbdev: sm712fb: Fix crash in smtcfb_write()
2022-04-08 14:24:02 +02:00
smscufx.c
fbdev: smscufx: fix error handling code in ufx_usb_probe
2023-02-09 11:26:47 +01:00
ssd1307fb.c
video: fbdev: ssd1307fb: Cache address ranges
2021-07-27 17:18:26 +02:00
sstfb.c
video: fbdev: sstfb: Updated logging to fix set but not used warnings
2020-11-30 20:04:59 +01:00
sticore.h
parisc/stifb: Keep track of hardware path of graphics card
2022-06-09 10:22:26 +02:00
stifb.c
fbdev: stifb: Provide valid pixelclock and add fb_check_var() checks
2023-03-22 13:31:35 +01:00
sunxvr500.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sunxvr1000.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sunxvr2500.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
tcx.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
tdfxfb.c
video: fbdev: tdfx: Fix set but not used warning in att_outb()
2020-11-30 20:04:30 +01:00
tgafb.c
fbdev: tgafb: Fix potential divide by zero
2023-04-05 11:24:53 +02:00
tmiofb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
tridentfb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
udlfb.c
video: fbdev: udlfb: properly check endpoint type
2022-05-09 09:14:31 +02:00
uvesafb.c
fbdev: uvesafb: Fixes an error handling path in uvesafb_probe()
2022-12-31 13:14:32 +01:00
valkyriefb.c
video: fbdev: valkyriefb.c: fix warning comparing pointer to 0
2020-05-06 21:04:45 +02:00
valkyriefb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
vesafb.c
video: fbdev: vesafb: Fix a use-after-free due early fb_info cleanup
2022-06-09 10:23:16 +02:00
vfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
vga16fb.c
video: vga16fb: Only probe for EGA and VGA 16 color graphic cards
2022-01-20 09:13:14 +01:00
vt8500lcdfb.c
video: vt8500lcdfb: fix fallthrough warning
2020-04-17 15:50:08 +02:00
vt8500lcdfb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
vt8623fb.c
video: fbdev: vt8623fb: Check the size of screen before memset_io()
2022-08-17 14:24:16 +02:00
w100fb.c
video: fbdev: w100fb: Reset global state
2022-04-08 14:23:59 +02:00
w100fb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
wm8505fb_regs.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
wm8505fb.c
video: fbdev: wm8505fb: fix sparse warnings about using incorrect types
2020-03-02 16:32:04 +01:00
wmt_ge_rops.c
video: fbdev: wmt_ge_rops: Fix function not declared warnings
2020-12-08 18:34:36 +01:00
wmt_ge_rops.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xen-fbfront.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
xilinxfb.c
video: fbdev: Fix fall-through warning for Clang
2021-07-13 13:58:29 -05:00