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drm/amd/display: Avoid NULL dereference of timing generator
authorWayne Lin <wayne.lin@amd.com>
Fri, 8 Sep 2023 02:14:49 +0000 (10:14 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 3 Nov 2023 15:59:51 +0000 (11:59 -0400)
commitb1904ed480cee3f9f4036ea0e36d139cb5fee2d6
treea236c1b0e198657b62626a8130949c7e4b2e4cf4tree
parentbe457b2252b6b49d74c4217224263c8d1e2a894dcommit | diff
drm/amd/display: Avoid NULL dereference of timing generator

[Why & How]
Check whether assigned timing generator is NULL or not before
accessing its funcs to prevent NULL dereference.

Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/core/dc_stream.c diff | blob | history
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