commit | 73644143b31cb95866c19e0d94be9e3127ec3a6b | [log] [tgz] |
---|---|---|
author | Qingqing Zhuo <qingqing.zhuo@amd.com> | Wed Dec 09 18:04:04 2020 -0500 |
committer | Alex Deucher <alexander.deucher@amd.com> | Thu Jan 14 00:17:16 2021 -0500 |
tree | 8234bf2a7ac088122331ced80d448c913c7cf332 | |
parent | f14a5c34d143f6627f0be70c0de1d962f3a6ff1c [diff] |
drm/amd/display: NULL pointer hang [Why] In dc_link_dp_set_test_pattern, we assume all pipes have a stream, which can cause null pointer dereference. [How] Add a null pointer check before accessing stream. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>