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(parent: 98cf7df) | patch
fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 9 Apr 2026 13:23:14 +0000 (15:23 +0200)
committerHelge Deller <deller@gmx.de>
Fri, 10 Apr 2026 14:54:35 +0000 (16:54 +0200)
commit8f98b81fe011e1879e6a7b1247e69e06a5e17af2
treed3a62d2ac79e78f199ce9852beffd76d82db1df6tree | snapshot
parent98cf7df6e0844f7076df1db690c1ede9d69b61ffcommit | diff
fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO

Much like commit 19f953e74356 ("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: Helge Deller <deller@gmx.de>
Assisted-by: gregkh_clanker_t1000
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Helge Deller <deller@gmx.de>
drivers/video/fbdev/tdfxfb.c diff | blob | blame | history
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