drm/amd/display: add a NULL pointer check

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commit 0f48a4b836 upstream.

[Why & How]

We have to check if stream is properly initialized before calling
find_matching_pll(), otherwise we might end up trying to deferecence a
NULL pointer.

Cc: stable@vger.kernel.org # 6.1+
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Sung-huai Wang <danny.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Sung-huai Wang 2023-06-06 14:28:38 +08:00 • committed by Greg Kroah-Hartman

parent 3092beeb25

commit ad85fc99d6

1 changed files with 6 additions and 4 deletions

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drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c

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