mirror-linux/drivers/video/fbdev/intelfb
Wei Chen 8ab9eada22 fbdev: intelfb: Fix potential divide by zero
[ Upstream commit d823685486 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-04-06 12:10:41 +02:00
..
Makefile
intelfb.h
intelfb_i2c.c
intelfbdrv.c
intelfbhw.c
intelfbhw.h