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(parent: d823685) | patch
fbdev: lxfb: Fix potential divide by zero
authorWei Chen <harperchen1110@gmail.com>
Wed, 15 Mar 2023 09:05:18 +0000 (09:05 +0000)
committerHelge Deller <deller@gmx.de>
Thu, 16 Mar 2023 15:18:17 +0000 (16:18 +0100)
commit61ac4b86a4c047c20d5cb423ddd87496f14d9868
tree0d49c289c904a8856bee4b67cdeba093d58fd544tree | snapshot
parentd823685486a3446d061fed7c7d2f80af984f119acommit | diff
fbdev: lxfb: Fix potential divide by zero

var->pixclock can be assigned to zero by user. Without proper
check, divide by zero would occur in lx_set_clock.

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