drm/bridge: anx7625: Check GPIO description to avoid crash

Browse source

As GPIO probe function "devm_gpiod_get_optional()" may return error
code, driver should identify GPIO desc as NULL to avoid crash.

Acked-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Xin Ji <xji@analogixsemi.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211119015804.3824027-1-xji@analogixsemi.com
Reviewed-by: Robert Foss <robert.foss@linaro.org>

...

This commit is contained in:

Xin Ji 2021-11-19 09:58:04 +08:00 • committed by Robert Foss

parent 1726cee3d0

commit 7020449b8f

No known key found for this signature in database

GPG key ID: 3EFD900F76D1D784

1 changed files with 9 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

9

drivers/gpu/drm/bridge/analogix/anx7625.c

View file