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path: root/drivers/gpu/drm/amd/amdgpu
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 431a47569acc6..0b4c09b613a29 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2290,7 +2290,6 @@ static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf,
{
struct amdgpu_device *adev = file_inode(f)->i_private;
ssize_t result = 0;
- int r;
if (size & 0x3 || *pos & 0x3)
return -EINVAL;
@@ -2304,9 +2303,8 @@ static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf,
uint32_t value[AMDGPU_TTM_VRAM_MAX_DW_READ];
amdgpu_device_vram_access(adev, *pos, value, bytes, false);
- r = copy_to_user(buf, value, bytes);
- if (r)
- return r;
+ if (copy_to_user(buf, value, bytes))
+ return -EFAULT;
result += bytes;
buf += bytes;