Patch "drm/amd/display: Add otg_master NULL check within resource_log_pipe_topology_update" has been added to the 6.10-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/amd/display: Add otg_master NULL check within resource_log_pipe_topology_update

to the 6.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amd-display-add-otg_master-null-check-within-res.patch
and it can be found in the queue-6.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit e8e28385e39720e3003e7968fef7b34b3292e298
Author: Hersen Wu <hersenxs.wu@xxxxxxx>
Date:   Fri Apr 26 11:13:47 2024 -0400

    drm/amd/display: Add otg_master NULL check within resource_log_pipe_topology_update
    
    [ Upstream commit 871cd9d881fa791d3f82885000713de07041c0ae ]
    
    [Why]
    Coverity reports NULL_RETURN warning.
    
    [How]
    Add otg_master NULL check.
    
    Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
    Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx>
    Signed-off-by: Hersen Wu <hersenxs.wu@xxxxxxx>
    Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
    Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index ce5adb8bc377..b43e489e8d61 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -2283,6 +2283,9 @@ void resource_log_pipe_topology_update(struct dc *dc, struct dc_state *state)
 					state->stream_status[stream_idx].mall_stream_config.paired_stream);
 			otg_master = resource_get_otg_master_for_stream(
 					&state->res_ctx, state->streams[phantom_stream_idx]);
+			if (!otg_master)
+				continue;
+
 			resource_log_pipe_for_stream(dc, state, otg_master, stream_idx);
 		}
 	}




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