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(parent: 666f14c) | patch
drm/amdgpu: fix a possible null pointer dereference
authorMa Ke <make24@iscas.ac.cn>
Thu, 18 Jul 2024 14:11:41 +0000 (22:11 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 23 Jul 2024 21:33:25 +0000 (17:33 -0400)
commit93381e6b61804b777f60357d96d6254eb10b9b56
treed2b795a543fc2dfb27c0f8117741810d9e9edac8tree
parent666f14cab21b17ccc1bdfe1e82458aa429b3b7e0commit | diff
drm/amdgpu: fix a possible null pointer dereference

In amdgpu_connector_add_common_modes(), the return value of drm_cvt_mode()
is assigned to mode, which will lead to a NULL pointer dereference on
failure of drm_cvt_mode(). Add a check to avoid npd.

Cc: stable@vger.kernel.org
Fixes: d38ceaf99ed0 ("drm/amdgpu: add core driver (v4)")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c diff | blob | history
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