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Wei ChenandGreg Kroah-Hartman 2a3562ea9d 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>
2023-04-06 12:10:41 +02:00
..
aty
Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm
2022-10-05 11:24:12 -07:00
core
fbdev: Fix incorrect page mapping clearance at fb_deferred_io_release()
2023-03-22 13:34:04 +01:00
geode
fbdev: lxfb: Fix potential divide by zero
2023-04-06 12:10:41 +02:00
i810
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
intelfb
fbdev: intelfb: Fix potential divide by zero
2023-04-06 12:10:41 +02:00
kyro
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
matrox
fbdev: matroxfb: G200eW: Increase max memory from 1 MB to 16 MB
2023-01-12 12:02:44 +01:00
mb862xx
fbdev: mb862xx: Fix check of return value from irq_of_parse_and_map()
2022-10-08 15:20:09 +02:00
mmp
video: fbdev: mmp: replace usage of found with dedicated list iterator variable
2022-04-12 22:06:10 +02:00
nvidia
fbdev: nvidia: Fix potential divide by zero
2023-04-06 12:10:41 +02:00
omap
fbdev: omap: Remove unnecessary print function dev_err()
2022-08-24 21:53:41 +02:00
omap2
fbdev: omapfb: avoid stack overflow warning
2023-01-24 07:24:32 +01:00
riva
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
savage
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
sis
fbdev: sisfb: use explicitly signed char
2022-10-24 20:28:41 +02:00
vermilion
fbdev: vermilion: decrease reference count in error path
2022-12-31 13:32:43 +01:00
via
fbdev: via: Fix error in via_core_init()
2022-12-31 13:32:43 +01:00
68328fb.c
video: fbdev: Make *fb_setup() and *fb_init() static
2022-07-18 07:54:20 +02:00
acornfb.c
…
acornfb.h
…
amba-clcd.c
video: fbdev: amba-clcd: Fix refcount leak bugs
2022-07-26 08:56:22 +02:00
amifb.c
video: fbdev: amiga: Simplify amifb_pan_display()
2022-07-18 07:54:17 +02:00
arcfb.c
…
arkfb.c
fbdev: arkfb: Remove the unused function dac_read_reg()
2022-10-08 15:20:08 +02:00
asiliantfb.c
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
atafb_iplan2p2.c
…
atafb_iplan2p4.c
…
atafb_iplan2p8.c
…
atafb_mfb.c
…
atafb_utils.h
…
atafb.c
video: fbdev: atari: Remove backward bug-compatibility
2022-07-18 07:56:18 +02:00
atafb.h
…
atmel_lcdfb.c
…
au1100fb.c
video: fbdev: au1100fb: Drop unnecessary NULL ptr check
2022-06-20 20:19:50 +02:00
au1100fb.h
…
au1200fb.c
fbdev: au1200fb: Fix potential divide by zero
2023-04-06 12:10:41 +02:00
au1200fb.h
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broadsheetfb.c
fbdev: Use pageref offset for deferred-I/O writeback
2022-05-03 16:04:22 +02:00
bt431.h
…
bt455.h
…
bw2.c
fbdev: Move fbdev drivers from strlcpy to strscpy
2022-08-24 22:06:15 +02:00
c2p_core.h
…
c2p_iplan2.c
…
c2p_planar.c
…
c2p.h
…
carminefb_regs.h
…
carminefb.c
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
carminefb.h
…
cg3.c
…
cg6.c
…
cg14.c
…
chipsfb.c
fbdev: chipsfb: Fix error codes in chipsfb_pci_init()
2023-03-22 13:33:39 +01:00
cirrusfb.c
Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm
2022-10-05 11:24:12 -07:00
clps711x-fb.c
fbdev: Move fbdev drivers from strlcpy to strscpy
2022-08-24 22:06:15 +02:00
cobalt_lcdfb.c
…
controlfb.c
fbdev: controlfb: Remove the unused function VAR_MATCH()
2022-10-08 15:20:08 +02:00
controlfb.h
…
cyber2000fb.c
fbdev: cyber2000fb: fix missing pci_disable_device()
2022-10-27 20:29:59 +02:00
cyber2000fb.h
…
da8xx-fb.c
fbdev: da8xx-fb: Fix error handling in .remove()
2022-10-18 10:22:28 +02:00
dnfb.c
video: fbdev: Make *fb_setup() and *fb_init() static
2022-07-18 07:54:20 +02:00
edid.h
…
efifb.c
Merge drm/drm-next into drm-misc-next
2022-06-20 18:21:25 +02:00
ep93xx-fb.c
fbdev: ep93xx-fb: Add missing clk_disable_unprepare in ep93xxfb_probe()
2022-12-31 13:32:43 +01:00
ffb.c
fbdev: Move fbdev drivers from strlcpy to strscpy
2022-08-24 22:06:15 +02:00
fm2fb.c
video: fbdev: Make *fb_setup() and *fb_init() static
2022-07-18 07:54:20 +02:00
fsl-diu-fb.c
…
g364fb.c
…
gbefb.c
fbdev: gbefb: Convert sysfs snprintf to sysfs_emit
2022-10-18 10:28:41 +02:00
goldfishfb.c
…
grvga.c
…
gxt4500.c
Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm
2022-10-05 11:24:12 -07:00
hecubafb.c
fbdev: Rename pagelist to pagereflist for deferred I/O
2022-05-03 16:04:22 +02:00
hgafb.c
…
hitfb.c
…
hpfb.c
video: fbdev: Make *fb_setup() and *fb_init() static
2022-07-18 07:54:20 +02:00
hyperv_fb.c
video: hyperv_fb: Avoid taking busy spinlock on panic path
2022-12-31 13:32:56 +01:00
i740_reg.h
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i740fb.c
Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm
2022-10-05 11:24:12 -07:00
imsttfb.c
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
imxfb.c
fbdev: imxfb: Remove redundant dev_err() call
2022-10-08 15:20:08 +02:00
Kconfig
fbdev: uvesafb: don't build on UML
2022-12-31 13:32:43 +01:00
leo.c
…
macfb.c
…
macmodes.c
…
macmodes.h
…
Makefile
ARM: omap1: move lcd_dma code into omapfb driver
2022-04-21 15:00:45 +02:00
maxinefb.c
…
metronomefb.c
fbdev: Use pageref offset for deferred-I/O writeback
2022-05-03 16:04:22 +02:00
mx3fb.c
dmaengine: imx: Move header to include/dma/
2022-04-19 12:06:18 +01:00
n411.c
…
neofb.c
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
ocfb.c
…
offb.c
video: fbdev: offb: Include missing linux/platform_device.h
2022-07-28 16:22:12 +10:00
p9100.c
…
platinumfb.c
video: fbdev: aty/matrox/...: Prepare cleanup of powerpc's asm/prom.h
2022-04-04 08:55:23 +02:00
platinumfb.h
…
pm2fb.c
fbdev: pm2fb: fix missing pci_disable_device()
2022-12-31 13:32:43 +01:00
pm3fb.c
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
pmag-aa-fb.c
…
pmag-ba-fb.c
…
pmagb-b-fb.c
…
ps3fb.c
…
pvr2fb.c
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
pxa3xx-gcu.c
video: fbdev: pxa3xx-gcu: Fix integer overflow in pxa3xx_gcu_write
2022-06-20 20:12:17 +02:00
pxa3xx-gcu.h
…
pxa3xx-regs.h
ARM: pxa: move regs-lcd.h into driver
2022-04-19 16:29:03 +02:00
pxa168fb.c
fbdev: Move fbdev drivers from strlcpy to strscpy
2022-08-24 22:06:15 +02:00
pxa168fb.h
…
pxafb.c
fbdev: Move fbdev drivers from strlcpy to strscpy
2022-08-24 22:06:15 +02:00
pxafb.h
…
q40fb.c
video: fbdev: Make *fb_setup() and *fb_init() static
2022-07-18 07:54:20 +02:00
s1d13xxxfb.c
…
s3c2410fb-regs-lcd.h
…
s3c2410fb.c
…
s3c2410fb.h
…
s3c-fb.c
Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
2022-03-24 16:19:43 -07:00
s3fb.c
Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm
2022-10-05 11:24:12 -07:00
sa1100fb.c
video: fbdev: sa1100fb: Remove unused sa1100fb_setup()
2022-07-18 07:54:18 +02:00
sa1100fb.h
…
sbuslib.c
…
sbuslib.h
…
sh7760fb.c
…
sh_mobile_lcdcfb.c
fbdev: Use pageref offset for deferred-I/O writeback
2022-05-03 16:04:22 +02:00
sh_mobile_lcdcfb.h
…
simplefb.c
fbdev: Move fbdev drivers from strlcpy to strscpy
2022-08-24 22:06:15 +02:00
skeletonfb.c
Merge tag 'drm-misc-next-2022-08-20-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-09-06 10:56:04 +02:00
sm501fb.c
fbdev: sm501fb: Convert sysfs snprintf to sysfs_emit
2022-10-18 10:22:28 +02:00
sm712.h
…
sm712fb.c
fbdev: Remove conflicting devices on PCI bus
2022-07-19 13:19:11 +02:00
smscufx.c
fbdev: smscufx: fix error handling code in ufx_usb_probe
2023-02-09 11:28:27 +01:00
ssd1307fb.c
Merge tag 'v6.0-rc5' into i2c/for-mergewindow
2022-09-16 20:42:18 +01:00
sstfb.c
Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm
2022-10-05 11:24:12 -07:00
sticore.h
parisc/stifb: Keep track of hardware path of graphics card
2022-06-04 15:47:03 +02:00
stifb.c
fbdev: stifb: Provide valid pixelclock and add fb_check_var() checks
2023-03-22 13:34:03 +01:00
sunxvr500.c
Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm
2022-10-05 11:24:12 -07:00
sunxvr1000.c
fbdev: Move fbdev drivers from strlcpy to strscpy
2022-08-24 22:06:15 +02:00
sunxvr2500.c
Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm
2022-10-05 11:24:12 -07:00
tcx.c
fbdev: Move fbdev drivers from strlcpy to strscpy
2022-08-24 22:06:15 +02:00
tdfxfb.c
Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm
2022-10-05 11:24:12 -07:00
tgafb.c
fbdev: tgafb: Fix potential divide by zero
2023-04-06 12:10:40 +02:00
tmiofb.c
…
tridentfb.c
fbdev: tridentfb: Fix missing pci_disable_device() in probe and remove
2022-10-08 15:20:09 +02:00
udlfb.c
fbdev: udlfb: Remove redundant initialization to variable identical
2022-10-08 15:20:08 +02:00
uvesafb.c
fbdev: uvesafb: Fixes an error handling path in uvesafb_probe()
2022-12-31 13:32:43 +01:00
valkyriefb.c
video: fbdev: Make *fb_setup() and *fb_init() static
2022-07-18 07:54:20 +02:00
valkyriefb.h
…
vesafb.c
video: fbdev: vesafb: Fix a use-after-free due early fb_info cleanup
2022-05-28 19:26:56 +02:00
vfb.c
…
vga16fb.c
fbdev: vga16fb: Add missing MODULE_DEVICE_TABLE() entry
2022-10-08 15:20:09 +02:00
vt8500lcdfb.c
…
vt8500lcdfb.h
…
vt8623fb.c
Merge tag 'drm-misc-next-2022-08-20-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-09-06 10:56:04 +02:00
w100fb.c
…
w100fb.h
…
wm8505fb_regs.h
…
wm8505fb.c
…
wmt_ge_rops.c
…
wmt_ge_rops.h
…
xen-fbfront.c
Merge tag 'for-5.19/fbdev-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
2022-05-30 12:46:49 -07:00
xilinxfb.c
fbdev: xilinxfb: Make xilinxfb_release() return void
2022-10-20 08:36:41 +02:00