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drm/qxl: Add check for drm_cvt_mode
authorChen Ni <nichen@iscas.ac.cn>
Fri, 21 Jun 2024 07:10:31 +0000 (15:10 +0800)
committerMaxime Ripard <mripard@kernel.org>
Wed, 26 Jun 2024 13:32:03 +0000 (15:32 +0200)
commit7bd09a2db0f617377027a2bb0b9179e6959edff3
treed0e7cd1f861a53f26826cc3383a48dd9edab2f09tree
parent97370f8ed271405bab2af42b2d3abbb4002c9114commit | diff
drm/qxl: Add check for drm_cvt_mode

Add check for the return value of drm_cvt_mode() and return the error if
it fails in order to avoid NULL pointer dereference.

Fixes: 1b043677d4be ("drm/qxl: add qxl_add_mode helper function")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Heng Qi <hengqi@linux.alibaba.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621071031.1987974-1-nichen@iscas.ac.cn
drivers/gpu/drm/qxl/qxl_display.c diff | blob | history
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