sysfs: just use d_materialise_unique()

same as for nfs et.al.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 8 deletions

diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 77c44ce493f8..a5cf784f9cc2 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -793,14 +793,7 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
         }
 
         /* instantiate and hash dentry */
-        ret = d_find_alias(inode);
-        if (!ret) {
-                d_add(dentry, inode);
-        } else {
-                d_move(ret, dentry);
-                iput(inode);
-        }
-
+        ret = d_materialise_unique(dentry, inode);
  out_unlock:
         mutex_unlock(&sysfs_mutex);
         return ret;