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linux-stable/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 Linux 6.5-rc7 2023-08-24 07:26:06 +10:00
matrox fbdev: remove I2C_CLASS_DDC support 2024-01-18 21:10:41 +01:00
mb862xx Linux 6.5-rc7 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
Kconfig fbdev: Select I/O-memory framebuffer ops for SBus 2024-04-03 15:32:39 +02:00
Makefile fbdev: amba-clcd: Delete the old CLCD driver 2024-01-12 12:38:37 +01:00
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.c fbdev/atafb: Initialize fb_ops to fbdev I/O-memory helpers 2023-10-19 12:54:38 +02:00
atafb.h
…
atafb_iplan2p2.c
…
atafb_iplan2p4.c
…
atafb_iplan2p8.c
…
atafb_mfb.c
…
atafb_utils.h
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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
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au1200fb.c fbdev: Push pgprot_decrypted() into mmap implementations 2023-11-29 12:20:44 +01:00
au1200fb.h
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broadsheetfb.c fbdev: Align deferred I/O with naming of helpers 2023-07-31 20:07:24 +02:00
bt431.h
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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.h
…
c2p_core.h
…
c2p_iplan2.c
…
c2p_planar.c
…
carminefb.c fbdev/carminefb: Use fbdev I/O helpers 2023-08-04 15:54:35 +02:00
carminefb.h
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carminefb_regs.h
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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
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cyber2000fb.c This cycle, I2C removes the currently unused CLASS_DDC support 2024-01-18 17:29:01 -08:00
cyber2000fb.h
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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 Linux 6.5-rc7 2023-08-24 07:26:06 +10:00
grvga.c Linux 6.5-rc7 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
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
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macmodes.h
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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
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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 Linux 6.5-rc7 2023-08-24 07:26:06 +10:00
platinumfb.h
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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
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pxa3xx-regs.h
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pxa168fb.c fbdev/pxa168fb: Use fbdev I/O helpers 2023-08-04 15:54:37 +02:00
pxa168fb.h
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pxafb.c fbdev/pxafb: Use fbdev I/O helpers 2023-08-04 15:54:37 +02:00
pxafb.h
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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
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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
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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
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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 Linux 6.5-rc7 2023-08-24 07:26:06 +10:00
sunxvr2500.c Linux 6.5-rc7 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
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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 TTY/Serial changes for 6.7-rc1 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
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vt8623fb.c fbdev/vt8623fb: Initialize fb_ops to fbdev I/O-memory helpers 2023-10-19 12:57:21 +02:00
wm8505fb.c fbdev/wm8505fb: Initialize fb_ops to fbdev I/O-memory helpers 2023-11-29 12:20:38 +01:00
wm8505fb_regs.h
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wmt_ge_rops.c fbdev: Include <linux/io.h> in various drivers 2023-05-18 11:06:19 +02:00
wmt_ge_rops.h
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xen-fbfront.c fbdev: Align deferred I/O with naming of helpers 2023-07-31 20:07:24 +02:00
xilinxfb.c Linux 6.5-rc7 2023-08-24 07:26:06 +10:00