From: Leon Elazar <leon.elazar@amd.com>
Date: Mon, 10 Apr 2017 13:37:11 +0000 (-0400)
Subject: drm/amd/display: set NULL value during removal for remoteSink
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b64875feb18a734739929e2af8a625b186bb6ec0;p=openwrt%2Fstaging%2Fblogic.git

drm/amd/display: set NULL value during removal for remoteSink

In MST case during removal of remote sink its descriptor pointer wasn't freed corectly.

Signed-off-by: Leon Elazar <leon.elazar@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 203cb9d0c89d..70dc02cf4dbb 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1787,7 +1787,7 @@ void dc_link_remove_remote_sink(const struct dc_link *link, const struct dc_sink
 				dc_link->remote_sinks[i] = dc_link->remote_sinks[i+1];
 				i++;
 			}
-
+			dc_link->remote_sinks[i] = NULL;
 			dc_link->sink_count--;
 			return;
 		}