commit | fecab346c5f1c4545e114325ed3059bec5471068 | [log] [tgz] |
---|---|---|
author | Wei Chen <harperchen1110@gmail.com> | Wed Mar 15 09:22:54 2023 +0000 |
committer | Sasha Levin <sashal@kernel.org> | Mon Mar 20 10:49:47 2023 -0400 |
tree | 44f6f506ab946fb8a72b1358c8773f1df009d1e3 | |
parent | 7673c9598c8491e95bae43fc2f7aa0f98f3314f4 [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>