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From fca74681bf96fe4c7e4cef4bc4de91b4f2bf7405 Mon Sep 17 00:00:00 2001
From: David Rokhvarg <David.Rokhvarg@amd.com>
Date: Thu, 17 Dec 2015 15:02:29 -0500
Subject: [PATCH 0986/1050] drm/amd/dal: Do not dereference NULL sink at the
end of sink detection.
While printing detection results for Disconnect case a null sink pointer
was dereferenced.
Change-Id: Ifa07ca1c5ddd081cf456ee8bc067b1bdbe3c1c7a
Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com>
Acked-by: Jordan Lazare <Jordan.Lazare@amd.com>
---
drivers/gpu/drm/amd/dal/dc/core/dc_link.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c
index add76ca..d4b1085 100644
--- a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c
@@ -647,11 +647,13 @@ void dc_link_detect(const struct dc_link *dc_link)
link_disconnect_all_sinks(link);
}
- LINK_INFO("link=%d, dc_sink_in=%p is now %s\n",
- link->link_index, &sink->public,
- (signal == SIGNAL_TYPE_NONE ? "Disconnected":"Connected"));
-
- /* TODO: */
+ if (signal == SIGNAL_TYPE_NONE) {
+ LINK_INFO("link=%d is now Disconnected.\n",
+ link->link_index);
+ } else {
+ LINK_INFO("link=%d is now Connected. Sink ptr=%p Signal=%d\n",
+ link->link_index, &sink->public, signal);
+ }
return;
}
--
1.9.1
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