bna: Remove error checking for debugfs_create_dir()

It is expected that most callers should _ignore_ the errors return by
debugfs_create_dir() in bnad_debugfs_init().

Signed-off-by: Wang Ming <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: Wang Ming

drivers/net/ethernet/brocade/bna/bnad_debugfs.c

@@ -512,11 +512,6 @@ bnad_debugfs_init(struct bnad *bnad)
 	if (!bnad->port_debugfs_root) {
 		bnad->port_debugfs_root =
 			debugfs_create_dir(name, bna_debugfs_root);
-		if (!bnad->port_debugfs_root) {
-			netdev_warn(bnad->netdev,
-				    "debugfs root dir creation failed\n");
-			return;
-		}
 
 		atomic_inc(&bna_debugfs_port_count);