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From d60f6d70fff06aa2ce95fa5a2410d7bb0e172eea Mon Sep 17 00:00:00 2001
From: Roger He <Hongbo.He@amd.com>
Date: Fri, 17 Nov 2017 12:45:18 +0800
Subject: [PATCH 2202/4131] drm/amd/amdgpu: fix over-bound accessing in
amdgpu_cs_wait_any_fence
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Change-Id: If59582604b211b25ff50446339ea8621a3be23b0
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index e3bcb5a..eec3fe2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1552,7 +1552,7 @@ static int amdgpu_cs_wait_any_fence(struct amdgpu_device *adev,
wait->out.status = (r > 0);
wait->out.first_signaled = first;
- if (array[first])
+ if (first < fence_count && array[first])
r = array[first]->error;
else
r = 0;
--
2.7.4
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