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(parent: c0fe7aa) | patch
drm/amdgpu/vkms: fix a possible null pointer dereference
authorMa Ke <make_ruc2021@163.com>
Fri, 13 Oct 2023 01:53:43 +0000 (09:53 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 28 Nov 2023 17:19:41 +0000 (17:19 +0000)
commit70f831f21155c692bb336c434936fd6f24f3f81a
treee960339a7a74f69fae80fcc0237712eceea33a5ftree | snapshot
parentc0fe7aacc32e482d78b5e1eb30e3b6270c47298bcommit | diff
drm/amdgpu/vkms: fix a possible null pointer dereference

[ Upstream commit cd90511557fdfb394bb4ac4c3b539b007383914c ]

In amdgpu_vkms_conn_get_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 null pointer
dereference.

Signed-off-by: Ma Ke <make_ruc2021@163.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c diff | blob | history
Domain: System / Kernel;