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Message-Id: <1587207396-116489-1-git-send-email-bernard@vivo.com>
Date: Sat, 18 Apr 2020 03:56:35 -0700
From: Bernard Zhao <bernard@...o.com>
To: Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
"David (ChunMing) Zhou" <David1.Zhou@....com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Felix Kuehling <Felix.Kuehling@....com>,
Philip Yang <Philip.Yang@....com>,
Nicolai Hähnle <nicolai.haehnle@....com>,
Nirmoy Das <nirmoy.das@....com>, amd-gfx@...ts.freedesktop.org,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com, Bernard Zhao <bernard@...o.com>
Subject: [PATCH] amdgpu_cs_bo_handles_chunk, remove check info NULL branch
kvfree ensure that the null pointer will do nothing.
If addr is NULL, first is_vmalloc_addr will not enter,
and kfree function just return when addr is NULL. There
will be no risk here.
Signed-off-by: Bernard Zhao <bernard@...o.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index af91627b..814bd5d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -98,8 +98,7 @@ static int amdgpu_cs_bo_handles_chunk(struct amdgpu_cs_parser *p,
return 0;
error_free:
- if (info)
- kvfree(info);
+ kvfree(info);
return r;
}
--
2.7.4
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