]> www.infradead.org Git - users/jedix/linux-maple.git/commit
projects / users / jedix / linux-maple.git / commit
summary | shortlog | log | commit | commitdiff | tree
(parent: 9f2a69d) | patch
fbdev: au1200fb: Fix potential divide by zero
authorWei Chen <harperchen1110@gmail.com>
Wed, 15 Mar 2023 09:22:54 +0000 (09:22 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 6 Apr 2023 10:10:41 +0000 (12:10 +0200)
commit2a3562ea9d726675e3e38094a508f8dd56726bdc
tree7215670a0dcd85b7698a50e292b104ab56b34126tree
parent9f2a69d5e6770a064a7ae9bdab7e9907a8d292ffcommit | diff
fbdev: au1200fb: Fix potential divide by zero

[ Upstream commit 44a3b36b42acfc433aaaf526191dd12fbb919fdb ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/video/fbdev/au1200fb.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.