[PATCH] isofs: remove d_splice_alias NULL check from isofs_lookup

Remove redundant NULL check in isofs_lookup() as d_splice_alias() can take
NULL inode as input.
Signed-off-by: NPekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

fs/isofs/namei.c

@@ -185,8 +185,5 @@ struct dentry *isofs_lookup(struct inode * dir, struct dentry * dentry, struct n
 		}
 	}
 	unlock_kernel();
-	if (inode)
-		return d_splice_alias(inode, dentry);
-	d_add(dentry, inode);
-	return NULL;
+	return d_splice_alias(inode, dentry);
 }