[PATCH] fs_autofs4_root.c unused variable

From:  Rusty Russell <rusty@rustcorp.com.au>

  Trivial unused var...

fs/autofs4/root.c

@@ -147,7 +147,6 @@ static int autofs4_root_revalidate(struct dentry * dentry, int flags)
 {
 	struct inode * dir = dentry->d_parent->d_inode;
 	struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb);
-	struct autofs_info *ino;
 	int oz_mode = autofs4_oz_mode(sbi);
 
 	/* Pending dentry */
@@ -162,8 +161,6 @@ static int autofs4_root_revalidate(struct dentry * dentry, int flags)
 	if (dentry->d_inode == NULL)
 		return (dentry->d_time - jiffies <= AUTOFS_NEGATIVE_TIMEOUT);
 
-	ino = autofs4_dentry_ino(dentry);
-
 	/* Check for a non-mountpoint directory with no contents */
 	spin_lock(&dcache_lock);
 	if (S_ISDIR(dentry->d_inode->i_mode) &&