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d65218de87c4bfa879bc453c3050d3851c353dcc
linux/drivers/video/fbdev
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Greg Kroah-Hartman a31e4518be fbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO 
Much like commit 19f953e743 ("fbdev: fb_pm2fb: Avoid potential divide
by zero error"), we also need to prevent that same crash from happening
in the udlfb driver as it uses pixclock directly when dividing, which
will crash.

Cc: Bernie Thompson <bernie@plugable.com>
Cc: Helge Deller <deller@gmx.de>
Fixes: 59277b679f ("Staging: udlfb: add dynamic modeset support")
Assisted-by: gregkh_clanker_t1000
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Helge Deller <deller@gmx.de>
2026-04-10 16:54:38 +02:00
..
aty
fbdev: atyfb: Remove unused fb_list
2026-03-31 16:39:47 +02:00
core
fbcon: Put font-rotation state into separate struct
2026-04-07 17:38:07 +02:00
geode
x86/msr: Add explicit includes of <asm/msr.h>
2025-05-02 10:23:47 +02:00
i810
fbdev: i810: use appopriate log interface dev_info
2025-12-02 20:15:51 +01:00
kyro
fbdev: kyro: Use devm_ioremap_wc() for screen mem
2025-07-27 19:56:51 +02:00
matrox
fbdev: matroxfb: Mark variable with __maybe_unused to avoid W=1 build break
2026-03-21 07:12:12 +01:00
mb862xx
fbdev: mb862xxfb: Use int type to store negative error codes
2025-09-30 23:21:34 +02:00
mmp
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
nvidia
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
omap
fbdev: omapfb: Add missing error check for clk_get()
2026-03-10 18:40:21 +01:00
omap2
fbdev: omap2: fix inconsistent lock returns in omapfb_mmap
2026-04-09 10:26:11 +02:00
riva
fbdev: rivafb: fix divide error in nv3_arb()
2026-02-14 11:07:12 +01:00
savage
fbdev: savage: Handle err return when savagefb_check_var failed
2024-04-25 12:04:18 +02:00
sis
fbdev/sisfb: Unexport symbols
2025-06-16 09:08:06 +02:00
via
fbdev: viafb: check ioremap return value in viafb_lcd_get_mobile_state
2026-03-10 17:32:35 +01:00
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: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
arcfb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
arkfb.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
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
Backmerge v6.12-rc6 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2024-11-04 14:25:33 +10:00
au1100fb.c
fbdev: au1100fb: Fix build on MIPS64
2026-03-05 17:35:12 +01:00
au1200fb.c
fbdev: au1200fb: Fix a memory leak in au1200fb_drv_probe()
2026-02-14 11:09:47 +01:00
au1200fb.h
…
broadsheetfb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
bt431.h
…
bt455.h
…
bw2.c
fbdev: Constify struct sbus_mmap_map
2024-10-15 10:07:32 +02:00
c2p_core.h
…
c2p_iplan2.c
fbdev/c2p: Include <linux/export.h>
2025-06-16 09:06:58 +02:00
c2p_planar.c
fbdev/c2p: Include <linux/export.h>
2025-06-16 09:06:58 +02:00
c2p.h
…
carminefb_regs.h
…
carminefb.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
carminefb.h
fbdev: carminefb: Fix spelling mistake of CARMINE_TOTAL_DIPLAY_MEM
2025-05-31 10:24:01 +02:00
cg3.c
fbdev: Constify struct sbus_mmap_map
2024-10-15 10:07:32 +02:00
cg6.c
fbdev: Constify struct sbus_mmap_map
2024-10-15 10:07:32 +02:00
cg14.c
fbdev: Constify struct sbus_mmap_map
2024-10-15 10:07:32 +02:00
chipsfb.c
fbdev: chipsfb: Use backlight power constants
2024-09-30 16:35:28 +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
Merge tag 'backlight-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
2024-11-22 16:29:57 -08:00
cobalt_lcdfb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
controlfb.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
controlfb.h
…
cyber2000fb.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
cyber2000fb.h
fbdev/cyber2000fb: Unexport symbols
2025-06-16 09:07:03 +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
sysfb: Pass sysfb_primary_display to devices
2025-12-16 14:12:44 +01:00
ep93xx-fb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
ffb.c
fbdev: ffb: fix corrupted video output on Sun FFB1
2026-02-14 11:09:47 +01:00
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: add missing device_remove_file()
2025-03-26 22:39:21 +01:00
g364fb.c
fbdev/g364fb: fix build failure with mips
2023-09-02 08:18:40 -07:00
gbefb.c
fbdev: gbefb: fix to use physical address instead of dma address
2025-11-15 13:46:45 +01:00
goldfishfb.c
fbdev: goldfishfb: use devm_platform_ioremap_resource()
2026-03-09 13:06:48 +01:00
grvga.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
gxt4500.c
fbdev: gxt4500fb: Use dev_err instead of printk
2025-11-15 13:46:45 +01:00
hecubafb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
hgafb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
hitfb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
hpfb.c
fbdev: hpfb: Fix an error handling path in hpfb_dio_probe()
2024-08-30 18:42:38 +02:00
i740_reg.h
…
i740fb.c
fbdev: remove I2C_CLASS_DDC support
2024-01-18 21:10:41 +01:00
imsttfb.c
fbdev: imsttfb: convert comma to semicolon
2024-09-02 13:54:26 +02:00
imxfb.c
fbdev: imxfb: Check fb_add_videomode to prevent null-ptr-deref
2025-07-27 19:56:51 +02:00
Kconfig
fbdev: update help text for CONFIG_FB_NVIDIA
2026-03-21 07:11:34 +01:00
leo.c
fbdev: Constify struct sbus_mmap_map
2024-10-15 10:07:32 +02:00
macfb.c
fbdev: macfb: Replace deprecated strcpy with strscpy
2026-03-09 13:06:48 +01:00
macmodes.c
fbdev: Include <linux/export.h>
2025-06-16 09:06:19 +02:00
macmodes.h
…
Makefile
fbdev: hyperv_fb: Remove hyperv_fb driver
2026-02-14 11:07:12 +01:00
maxinefb.c
fbdev/maxinefb: Use fbdev I/O helpers
2023-08-04 15:54:36 +02:00
metronomefb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
n411.c
…
neofb.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
ocfb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
offb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
p9100.c
fbdev: Constify struct sbus_mmap_map
2024-10-15 10:07:32 +02:00
platinumfb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
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
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
pxa3xx-gcu.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
pxa3xx-gcu.h
…
pxa3xx-regs.h
…
pxa168fb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
pxa168fb.h
…
pxafb.c
fbdev: pxafb: Fix multiple clamped values in pxafb_adjust_timing
2025-12-02 19:49:10 +01:00
pxafb.h
…
q40fb.c
fbdev/q40fb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
s1d13xxxfb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
s3c-fb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
s3fb.c
fbdev: s3fb: Revert mclk stop in suspend
2025-09-30 23:21:34 +02:00
sa1100fb.c
fbdev: Push pgprot_decrypted() into mmap implementations
2023-11-29 12:20:44 +01:00
sa1100fb.h
…
sbuslib.c
fbdev: Include <linux/export.h>
2025-06-16 09:06:19 +02:00
sbuslib.h
fbdev: Constify struct sbus_mmap_map
2024-10-15 10:07:32 +02:00
sh7760fb.c
fbdev: sh7760fb: Fix a possible memory leak in sh7760fb_alloc_mem()
2024-11-14 15:26:27 +01:00
sh_mobile_lcdcfb.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
sh_mobile_lcdcfb.h
…
simplefb.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
skeletonfb.c
fbdev: Remove FBINFO_DEFAULT from framebuffer_alloc()'ed structs
2023-07-24 16:50:38 +02:00
sm501fb.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
sm712.h
…
sm712fb.c
fbdev/sm712fb: Use correct initializer macros for struct fb_ops
2023-11-29 12:20:10 +01:00
smscufx.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
ssd1307fb.c
fbdev: ssd1307fb: fix potential page leak in ssd1307fb_probe()
2025-12-05 11:29:14 +01:00
sstfb.c
fbdev: sstfb: Make CONFIG_FB_DEVICE optional
2024-10-15 10:07:31 +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
fbdev: tcx.c fix mem_map to correct smem_start offset
2025-12-02 19:44:05 +01:00
tdfxfb.c
fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO
2026-04-10 16:54:35 +02:00
tgafb.c
vt: remove superfluous CONFIG_HW_CONSOLE
2024-01-27 19:03:51 -08:00
tridentfb.c
fbdev: tridentfb: replace printk() with dev_*() in probe
2025-12-02 20:08:35 +01:00
udlfb.c
fbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO
2026-04-10 16:54:38 +02:00
uvesafb.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
valkyriefb.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
valkyriefb.h
…
vesafb.c
sysfb: Pass sysfb_primary_display to devices
2025-12-16 14:12:44 +01:00
vfb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
vga16fb.c
sysfb: Pass sysfb_primary_display to devices
2025-12-16 14:12:44 +01:00
vt8500lcdfb.c
fbdev: vt8500lcdfb: fix missing dma_free_coherent()
2026-02-14 11:09:46 +01:00
vt8500lcdfb.h
…
vt8623fb.c
fbcon: Increase maximum font width x height to 64 x 128
2024-03-16 08:29:48 +01:00
wm8505fb_regs.h
…
wm8505fb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00
wmt_ge_rops.c
fbdev: wmt_ge_rops: use devm_platform_ioremap_resource()
2026-03-09 13:06:48 +01:00
wmt_ge_rops.h
…
xen-fbfront.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
xilinxfb.c
fbdev: Switch back to struct platform_driver::remove()
2024-10-08 21:47:18 +02:00