Am 19.07.2016 um 14:14 schrieb Wei Yongjun:
> From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
>
> In case of error, the function debugfs_create_*() 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 at trendmicro.com.cn>
Reviewed-by: Christian König <christian.koenig at amd.com>.
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 614fb02..0c992d3 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -2530,12 +2530,12 @@ static int amdgpu_debugfs_regs_init(struct
> amdgpu_device *adev)
> ent = debugfs_create_file(debugfs_regs_names[i],
> S_IFREG | S_IRUGO, root,
> adev, debugfs_regs[i]);
> - if (IS_ERR(ent)) {
> + if (!ent) {
> for (j = 0; j < i; j++) {
> debugfs_remove(adev->debugfs_regs[i]);
> adev->debugfs_regs[i] = NULL;
> }
> - return PTR_ERR(ent);
> + return -ENOMEM;
> }
>
> if (!i)
>
>
