Am 19.07.2016 um 14:15 schrieb Wei Yongjun:
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
In case of error, the function debugfs_create_file() returns NULL
pointer not ERR_PTR() if debugfs is enabled. The IS_ERR() test
in the return value check should be replaced with NULL test.
(defined(CONFIG_DEBUG_FS) make sure debugfs is enabled)
Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index b7742e6..8c569ea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1345,16 +1345,16 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
ent = debugfs_create_file("amdgpu_vram", S_IFREG | S_IRUGO, root,
adev, &amdgpu_ttm_vram_fops);
- if (IS_ERR(ent))
- return PTR_ERR(ent);
+ if (!ent)
+ return -ENOMEM;
i_size_write(ent->d_inode, adev->mc.mc_vram_size);
adev->mman.vram = ent;
#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS
ent = debugfs_create_file("amdgpu_gtt", S_IFREG | S_IRUGO, root,
adev, &amdgpu_ttm_gtt_fops);
- if (IS_ERR(ent))
- return PTR_ERR(ent);
+ if (!ent)
+ return -ENOMEM;
i_size_write(ent->d_inode, adev->mc.gtt_size);
adev->mman.gtt = ent;
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