autofs4: rename dentry to expiring in autofs4_lookup_expiring()

In autofs4_lookup_expiring() a declaration within the list traversal loop
uses a declaration that has the same name as the function parameter.

Signed-off-by: Ian Kent <raven@themaw.net>
Cc: Sage Weil <sage@newdream.net>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Andreas Dilger <adilger@sun.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Yehuda Saheh <yehuda@newdream.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/autofs4/root.c

@@ -474,23 +474,23 @@ static struct dentry *autofs4_lookup_expiring(struct dentry *dentry)
 	head = &sbi->expiring_list;
 	list_for_each(p, head) {
 		struct autofs_info *ino;
-		struct dentry *dentry;
+		struct dentry *expiring;
 		struct qstr *qstr;
 
 		ino = list_entry(p, struct autofs_info, expiring);
-		dentry = ino->dentry;
+		expiring = ino->dentry;
 
-		spin_lock(&dentry->d_lock);
+		spin_lock(&expiring->d_lock);
 
 		/* Bad luck, we've already been dentry_iput */
-		if (!dentry->d_inode)
+		if (!expiring->d_inode)
 			goto next;
 
-		qstr = &dentry->d_name;
+		qstr = &expiring->d_name;
 
-		if (dentry->d_name.hash != hash)
+		if (expiring->d_name.hash != hash)
 			goto next;
-		if (dentry->d_parent != parent)
+		if (expiring->d_parent != parent)
 			goto next;
 
 		if (qstr->len != len)
@@ -498,15 +498,15 @@ static struct dentry *autofs4_lookup_expiring(struct dentry *dentry)
 		if (memcmp(qstr->name, str, len))
 			goto next;
 
-		if (d_unhashed(dentry)) {
-			dget(dentry);
-			spin_unlock(&dentry->d_lock);
+		if (d_unhashed(expiring)) {
+			dget(expiring);
+			spin_unlock(&expiring->d_lock);
 			spin_unlock(&sbi->lookup_lock);
 			spin_unlock(&dcache_lock);
-			return dentry;
+			return expiring;
 		}
 next:
-		spin_unlock(&dentry->d_lock);
+		spin_unlock(&expiring->d_lock);
 	}
 	spin_unlock(&sbi->lookup_lock);
 	spin_unlock(&dcache_lock);