[PATCH] ext3: fix error-path handle leak

The ioctl handler can leave a transaction open on an error path.  That
will wedge up the filesystem.

fs/ext3/ioctl.c

@@ -119,13 +119,11 @@ int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
 		if (IS_ERR(handle))
 			return PTR_ERR(handle);
 		err = ext3_reserve_inode_write(handle, inode, &iloc);
-		if (err)
-			return err;
-
+		if (err == 0) {
 			inode->i_ctime = CURRENT_TIME;
 			inode->i_generation = generation;
-
 			err = ext3_mark_iloc_dirty(handle, inode, &iloc);
+		}
 		ext3_journal_stop(handle);
 		return err;
 	}