470f3760cf
dc_state_get_stream_status dc_state_get_paired_subvp_stream and other functions can return null, and therefore null must be checked before status can be used. This fixes 21 NULL_RETURNS issues reported by Coverity. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>