This patch fixes the following checkpatch.pl warnings:

WARNING: Possible unnecessary 'out of memory' message
#146: FILE: ./xlr_net.c:146:
+	if (!skb) {
+		pr_err("SKB allocation failed\n");

WARNING: Missing a blank line after declarations
#1107: FILE: ./xlr_net.c:1107:
+	struct xlr_net_priv *priv = platform_get_drvdata(pdev);
+	unregister_netdev(priv->ndev);