From: Wei Yongjun <yongjun_...@trendmicro.com.cn>

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.

Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c 
b/drivers/gpu/drm/i915/i915_debugfs.c
index 7008aac..856e18b 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1920,8 +1920,8 @@ static int i915_pipe_crc_create(struct dentry *root, 
struct drm_minor *minor,
        info->dev = dev;
        ent = debugfs_create_file(info->name, S_IRUGO, root, info,
                                  &i915_pipe_crc_fops);
-       if (IS_ERR(ent))
-               return PTR_ERR(ent);
+       if (!ent)
+               return -ENOMEM;
 
        return drm_add_fake_info_node(minor, ent, info);
 }
@@ -2931,8 +2931,8 @@ static int i915_forcewake_create(struct dentry *root, 
struct drm_minor *minor)
                                  S_IRUSR,
                                  root, dev,
                                  &i915_forcewake_fops);
-       if (IS_ERR(ent))
-               return PTR_ERR(ent);
+       if (!ent)
+               return -ENOMEM;
 
        return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops);
 }
@@ -2949,8 +2949,8 @@ static int i915_debugfs_create(struct dentry *root,
                                  S_IRUGO | S_IWUSR,
                                  root, dev,
                                  fops);
-       if (IS_ERR(ent))
-               return PTR_ERR(ent);
+       if (!ent)
+               return -ENOMEM;
 
        return drm_add_fake_info_node(minor, ent, fops);
 }

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