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From 9b2f98750f72ff4ff25822773bd98545a826c99d Mon Sep 17 00:00:00 2001
From: Corbin McElhanney <corbin.mcelhanney@amd.com>
Date: Thu, 3 Aug 2017 18:29:42 -0400
Subject: [PATCH 0741/4131] drm/amd/display: Fix accessing freed memory
Signed-off-by: Corbin McElhanney <corbin.mcelhanney@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index f305780..b69a726 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1714,8 +1714,11 @@ void dc_update_planes_and_stream(struct dc *dc,
}
if (core_dc->current_context != context) {
- dc_release_validate_context(core_dc->current_context);
+ struct validate_context *old = core_dc->current_context;
+
core_dc->current_context = context;
+ dc_release_validate_context(old);
+
}
return;
--
2.7.4
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