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From ee37234da6edb8cc04d0c5677af055851757b009 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ernst=20Sj=C3=B6strand?= <ernstp@gmail.com>
Date: Wed, 8 Nov 2017 22:47:06 +0100
Subject: [PATCH 3463/4131] amd/display: Fix potential null dereference in
dce_calcs.c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Reported by smatch:
bw_calcs() error: potential null dereference 'data'
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ernst Sjöstrand <ernstp@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
index 9462d33..f975ecd 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
@@ -2917,6 +2917,8 @@ bool bw_calcs(struct dc_context *ctx,
{
struct bw_calcs_data *data = kzalloc(sizeof(struct bw_calcs_data),
GFP_KERNEL);
+ if (!data)
+ return false;
populate_initial_data(pipe, pipe_count, data);
--
2.7.4
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