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twx-linux/drivers/video/fbdev
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Roman Smirnov 1b107d637f fbmon: prevent division by zero in fb_videomode_from_videomode() 
[ Upstream commit c2d953276b ]

The expression htotal * vtotal can have a zero value on
overflow. It is necessary to prevent division by zero like in
fb_var_to_videomode().

Found by Linux Verification Center (linuxtesting.org) with Svace.

Signed-off-by: Roman Smirnov <r.smirnov@omp.ru>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-04-13 13:10:11 +02:00
..
aty
Merge tag 'drm-misc-next-2023-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-10-31 10:47:50 +10:00
core
fbmon: prevent division by zero in fb_videomode_from_videomode()
2024-04-13 13:10:11 +02:00
geode
fbdev/geode/lxfb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
i810
fbdev/i810fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:32 +02:00
kyro
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
matrox
fbdev: remove I2C_CLASS_DDC support
2024-01-18 21:10:41 +01:00
mb862xx
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
mmp
fbdev: mmp: Fix typo and wording in code comment
2024-01-11 17:09:01 +01:00
nvidia
fbdev/nvidiafb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:53 +02:00
omap
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
omap2
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
riva
fbdev/rivafb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:16 +02:00
savage
fbdev: savage: Error out if pixclock equals zero
2024-01-21 09:00:14 +01:00
sis
fbdev: sis: Error out if pixclock equals zero
2024-01-21 09:00:14 +01:00
via
fbdev: viafb: fix typo in hw_bitblt_1 and hw_bitblt_2
2024-04-13 13:10:10 +02:00
68328fb.c
fbdev/68328fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:16 +02:00
acornfb.c
fbdev/acornfb: Fix name of fb_ops initializer macro
2023-11-29 12:20:08 +01:00
acornfb.h
…
amifb.c
fbdev: amifb: Convert to platform remove callback returning void
2023-11-10 09:16:02 +01:00
arcfb.c
fbdev/arcfb: Use generator macros for deferred I/O
2023-11-29 12:20:14 +01:00
arkfb.c
fbdev/arkfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:34 +02:00
asiliantfb.c
fbdev/asiliantfb: Use fbdev I/O helpers
2023-08-04 15:54:34 +02:00
atafb_iplan2p2.c
…
atafb_iplan2p4.c
…
atafb_iplan2p8.c
…
atafb_mfb.c
…
atafb_utils.h
…
atafb.c
fbdev/atafb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:38 +02:00
atafb.h
…
atmel_lcdfb.c
fbdev: atmel_lcdfb: Convert to platform remove callback returning void
2023-11-10 07:34:19 +01:00
au1100fb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
au1100fb.h
…
au1200fb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
au1200fb.h
…
broadsheetfb.c
fbdev: Align deferred I/O with naming of helpers
2023-07-31 20:07:24 +02:00
bt431.h
…
bt455.h
…
bw2.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
c2p_core.h
…
c2p_iplan2.c
…
c2p_planar.c
…
c2p.h
…
carminefb_regs.h
…
carminefb.c
fbdev/carminefb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
carminefb.h
…
cg3.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
cg6.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
cg14.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
chipsfb.c
fbdev/chipsfb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
cirrusfb.c
fbdev/cirrusfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:52 +02:00
clps711x-fb.c
fbdev/clps711x-fb: Initialize fb_ops with fbdev macros
2023-11-29 12:20:35 +01:00
cobalt_lcdfb.c
fbdev/cobalt-lcd: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:56 +02:00
controlfb.c
fbdev/controlfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:59 +02:00
controlfb.h
…
cyber2000fb.c
Merge tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2024-01-18 17:29:01 -08:00
cyber2000fb.h
…
da8xx-fb.c
fbdev/da8xx-fb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
dnfb.c
fbdev/dnfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:07 +02:00
edid.h
…
efifb.c
fbdev/efifb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
ep93xx-fb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
ffb.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
fm2fb.c
fbdev/fm2fb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
fsl-diu-fb.c
fbdev: fsl-diu-fb: Fix sparse warning due to virt_to_phys() prototype change
2024-01-11 17:09:01 +01:00
g364fb.c
fbdev/g364fb: fix build failure with mips
2023-09-02 08:18:40 -07:00
gbefb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
goldfishfb.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
grvga.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
gxt4500.c
fbdev/gxt4500: Use fbdev I/O helpers
2023-08-04 15:54:36 +02:00
hecubafb.c
fbdev: Align deferred I/O with naming of helpers
2023-07-31 20:07:24 +02:00
hgafb.c
fbdev: hgafb: fix kernel-doc comments
2024-01-11 17:09:01 +01:00
hitfb.c
fbdev/hitfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:23 +02:00
hpfb.c
fbdev/hpfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:27 +02:00
hyperv_fb.c
fbdev/hyperv_fb: Fix logic error for Gen2 VMs in hvfb_getmem()
2024-03-01 08:19:11 +00:00
i740_reg.h
…
i740fb.c
fbdev: remove I2C_CLASS_DDC support
2024-01-18 21:10:41 +01:00
imsttfb.c
fbdev: imsttfb: fix a resource leak in probe
2023-11-07 14:42:34 +01:00
imxfb.c
fbdev: imxfb: add '*/' on a separate line in block comment
2024-01-11 17:09:01 +01:00
Kconfig
fbdev: Select I/O-memory framebuffer ops for SBus
2024-04-03 15:32:39 +02:00
leo.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
macfb.c
fbdev/macfb: Use fbdev I/O helpers
2023-08-04 15:54:36 +02:00
macmodes.c
…
macmodes.h
…
Makefile
fbdev: amba-clcd: Delete the old CLCD driver
2024-01-12 12:38:37 +01:00
maxinefb.c
fbdev/maxinefb: Use fbdev I/O helpers
2023-08-04 15:54:36 +02:00
metronomefb.c
fbdev: Align deferred I/O with naming of helpers
2023-07-31 20:07:24 +02:00
n411.c
…
neofb.c
fbdev/neofb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:48 +02:00
ocfb.c
fbdev/ocfb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
offb.c
fbdev: offb: Simplify offb_init_fb()
2023-11-07 14:42:34 +01:00
p9100.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
platinumfb.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
platinumfb.h
…
pm2fb.c
fbdev/pm2fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:00 +02:00
pm3fb.c
fbdev/pm3fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:04 +02:00
pmag-aa-fb.c
fbdev/pmag-aa-fb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
pmag-ba-fb.c
fbdev/pmag-ba-fb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
pmagb-b-fb.c
fbdev/pmagb-b-fb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
ps3fb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
pvr2fb.c
fbdev/pvr2fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:08 +02:00
pxa3xx-gcu.c
fbdev: pxa3xx-gcu: Convert to platform remove callback returning void
2023-04-24 11:48:31 +02:00
pxa3xx-gcu.h
…
pxa3xx-regs.h
…
pxa168fb.c
fbdev/pxa168fb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
pxa168fb.h
…
pxafb.c
fbdev/pxafb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
pxafb.h
…
q40fb.c
fbdev/q40fb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
s1d13xxxfb.c
fbdev/s1d13xxxfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:23 +02:00
s3c-fb.c
fbdev/s3cfb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
s3fb.c
fbdev: remove I2C_CLASS_DDC support
2024-01-18 21:10:41 +01:00
sa1100fb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
sa1100fb.h
…
sbuslib.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
sbuslib.h
fbdev/sbus: Add initializer macros and Kconfig tokens for SBUS support
2023-08-28 09:43:53 +02:00
sh7760fb.c
fbdev/sh7760fb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
sh_mobile_lcdcfb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
sh_mobile_lcdcfb.h
…
simplefb.c
fbdev/simplefb: change loglevel when the power domains cannot be parsed
2024-03-26 18:16:58 -04:00
skeletonfb.c
fbdev: Remove FBINFO_DEFAULT from framebuffer_alloc()'ed structs
2023-07-24 16:50:38 +02:00
sm501fb.c
fbdev/sm501fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:43 +02:00
sm712.h
…
sm712fb.c
fbdev/sm712fb: Use correct initializer macros for struct fb_ops
2023-11-29 12:20:10 +01:00
smscufx.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
ssd1307fb.c
pwm: Rename pwm_apply_state() to pwm_apply_might_sleep()
2023-12-20 16:07:04 +01:00
sstfb.c
fbdev/sstfb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
stifb.c
fbdev: stifb: Fix crash in stifb_blank()
2024-01-23 09:13:24 +01:00
sunxvr500.c
fbdev/sunxvr500: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:55 +02:00
sunxvr1000.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
sunxvr2500.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
tcx.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
tdfxfb.c
fbdev: remove I2C_CLASS_DDC support
2024-01-18 21:10:41 +01:00
tgafb.c
fbdev/tgafb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:57:03 +02:00
tridentfb.c
fbdev: remove I2C_CLASS_DDC support
2024-01-18 21:10:41 +01:00
udlfb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
uvesafb.c
fbdev: uvesafb: Call cn_del_callback() at the end of uvesafb_exit()
2023-10-16 23:19:34 +02:00
valkyriefb.c
fbdev/valkyriefb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
valkyriefb.h
…
vesafb.c
fbdev/vesafb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
vfb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
vga16fb.c
Merge tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2023-11-03 15:44:25 -10:00
vt8500lcdfb.c
fbdev: vt8500lcdfb: Remove unnecessary print function dev_err()
2024-01-21 08:49:56 +01:00
vt8500lcdfb.h
…
vt8623fb.c
fbdev/vt8623fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:57:21 +02:00
wm8505fb_regs.h
…
wm8505fb.c
fbdev/wm8505fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-11-29 12:20:38 +01:00
wmt_ge_rops.c
fbdev: Include <linux/io.h> in various drivers
2023-05-18 11:06:19 +02:00
wmt_ge_rops.h
…
xen-fbfront.c
fbdev: Align deferred I/O with naming of helpers
2023-07-31 20:07:24 +02:00
xilinxfb.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00