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(parent: 5cf0606) | patch
drm/ast: potential dereference of null pointer
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Tue, 14 Dec 2021 01:41:26 +0000 (09:41 +0800)
committerThomas Zimmermann <tzimmermann@suse.de>
Tue, 14 Dec 2021 08:18:28 +0000 (09:18 +0100)
commitfea3fdf975dd9f3e5248afaab8fe023db313f005
treeac28b92c4b22b25f9fa222e1dc74628f8c56334ftree | snapshot
parent5cf06065bd1f7b94fbb80e7eeb033899f77ab5bacommit | diff
drm/ast: potential dereference of null pointer

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

Fixes: f0adbc382b8b ("drm/ast: Allocate initial CRTC state of the correct size")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20211214014126.2211535-1-jiasheng@iscas.ac.cn
drivers/gpu/drm/ast/ast_mode.c diff | blob | history
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