projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 61ac4b8) | patch
fbdev: au1200fb: Fix potential divide by zero
authorWei Chen <harperchen1110@gmail.com>
Wed, 15 Mar 2023 09:22:54 +0000 (09:22 +0000)
committerHelge Deller <deller@gmx.de>
Thu, 16 Mar 2023 15:18:17 +0000 (16:18 +0100)
commit44a3b36b42acfc433aaaf526191dd12fbb919fdb
tree2974779ca39bfe92e85466b5c5ac63cf5b3402eftree | snapshot
parent61ac4b86a4c047c20d5cb423ddd87496f14d9868commit | diff
fbdev: au1200fb: Fix potential divide by zero

var->pixclock can be assigned to zero by user. Without
proper check, divide by zero would occur when invoking
macro PICOS2KHZ in au1200fb_fb_check_var.

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/au1200fb.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git