projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 92e2a00) | patch
fbdev: intelfb: Fix potential divide by zero
authorWei Chen <harperchen1110@gmail.com>
Wed, 15 Mar 2023 08:33:47 +0000 (08:33 +0000)
committerHelge Deller <deller@gmx.de>
Thu, 16 Mar 2023 15:18:16 +0000 (16:18 +0100)
commitd823685486a3446d061fed7c7d2f80af984f119a
tree8cb44ddb2b1532c2a9c40d4b32929a83b383a26etree | snapshot
parent92e2a00f2987483e1f9253625828622edd442e61commit | diff
fbdev: intelfb: Fix potential divide by zero

Variable var->pixclock is controlled by user and can be assigned
to zero. Without proper check, divide by zero would occur in
intelfbhw_validate_mode and intelfbhw_mode_to_hw.

Error out if var->pixclock is zero.

Signed-off-by: Wei Chen <harperchen1110@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
drivers/video/fbdev/intelfb/intelfbdrv.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git