Commit 3718a619 authored by Alex Hung's avatar Alex Hung Committed by Alex Deucher

drm/amd/display: Check phantom_stream before it is used

dcn32_enable_phantom_stream can return null, so returned value
must be checked before used.

This fixes 1 NULL_RETURNS issue reported by Coverity.
Reviewed-by: default avatarRodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: default avatarJerry Zuo <jerry.zuo@amd.com>
Signed-off-by: default avatarAlex Hung <alex.hung@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 367cd9ce
...@@ -1717,6 +1717,9 @@ void dcn32_add_phantom_pipes(struct dc *dc, struct dc_state *context, ...@@ -1717,6 +1717,9 @@ void dcn32_add_phantom_pipes(struct dc *dc, struct dc_state *context,
// be a valid candidate for SubVP (i.e. has a plane, stream, doesn't // be a valid candidate for SubVP (i.e. has a plane, stream, doesn't
// already have phantom pipe assigned, etc.) by previous checks. // already have phantom pipe assigned, etc.) by previous checks.
phantom_stream = dcn32_enable_phantom_stream(dc, context, pipes, pipe_cnt, index); phantom_stream = dcn32_enable_phantom_stream(dc, context, pipes, pipe_cnt, index);
if (!phantom_stream)
return;
dcn32_enable_phantom_plane(dc, context, phantom_stream, index); dcn32_enable_phantom_plane(dc, context, phantom_stream, index);
for (i = 0; i < dc->res_pool->pipe_count; i++) { for (i = 0; i < dc->res_pool->pipe_count; i++) {
......
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