drm: mali-dp: potential dereference of null pointer
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Tue, 14 Dec 2021 10:08:37 +0000 (18:08 +0800)
committerLiviu Dudau <liviu.dudau@arm.com>
Mon, 11 Apr 2022 17:30:18 +0000 (18:30 +0100)
commit73c3ed7495c67b8fbdc31cf58e6ca8757df31a33
tree88d054672783c9a7fa1e64b33cbcc0bc11a70659
parentb5c7d19736a17115f0c3489a2ebfa5c5181902b9
drm: mali-dp: potential dereference of null pointer

The return value of kzalloc() needs to be checked.
To avoid use of null pointer '&state->base' in case of the
failure of alloc.

Fixes: 99665d072183 ("drm: mali-dp: add malidp_crtc_state struct")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211214100837.46912-1-jiasheng@iscas.ac.cn
drivers/gpu/drm/arm/malidp_crtc.c