drm/amdgpu/dm: Fix NULL pointer crash during DP MST hotplug

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This patch checks the return value of the function
dc_link_add_remote_sink before using it. This was causing
a crash during consecutive hotplugs of DP MST displays.

Cc: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Shashank Sharma 2021-04-15 23:18:12 +05:30 • committed by Alex Deucher

parent fe18017839

commit ea9bc8b928

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

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