sysfs: fix root sysfs_dirent -> root dentry association

The root sysfs_dirent didn't point to the root dentry fix it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 6d3a6249d21..d0e160307c5 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -65,6 +65,7 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
                 iput(inode);
                 return -ENOMEM;
         }
+        sysfs_root.s_dentry = root;
         root->d_fsdata = &sysfs_root;
         sb->s_root = root;
         return 0;