fs/openpromfs: Use of_node_name_eq for node name comparisons

Convert string compares of DT node names to use of_node_name_eq helper
instead. This removes direct access to the node name pointer.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index 3d8e9bc..1b2d0d2 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -246,7 +246,7 @@ static struct dentry *openpromfs_lookup(struct inode *dir, struct dentry *dentry
 		set_nlink(inode, 2);
 		break;
 	case op_inode_prop:
-		if (!strcmp(dp->name, "options") && (len == 17) &&
+		if (of_node_name_eq(dp, "options") && (len == 17) &&
 		    !strncmp (name, "security-password", 17))
 			inode->i_mode = S_IFREG | S_IRUSR | S_IWUSR;
 		else