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(parent: d0bc9ab) | patch
drm/radeon: fix a possible null pointer dereference
authorMa Ke <make_ruc2021@163.com>
Wed, 11 Oct 2023 01:21:43 +0000 (09:21 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 28 Nov 2023 17:06:58 +0000 (17:06 +0000)
commit16fa59e273f8eb20ececeb570ab41c9d3d791429
tree2768a6961809ce797fbfdb40772571cd01d6ed97tree
parentd0bc9ab0a161a9745273f5bf723733a8e6c57acacommit | diff
drm/radeon: fix a possible null pointer dereference

[ Upstream commit 2c1fe3c480f9e1deefd50d4b18be4a046011ee1f ]

In radeon_tv_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 point 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/radeon/radeon_connectors.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git