selinux: Cleanup printk logging in netif

Replace printk with pr_* to avoid checkpatch warnings.
Signed-off-by: Peter Enderborg <peter.enderborg@sony.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/netif.c

@@ -145,9 +145,8 @@ static int sel_netif_sid_slow(struct net *ns, int ifindex, u32 *sid)
 
 	dev = dev_get_by_index(ns, ifindex);
 	if (unlikely(dev == NULL)) {
-		printk(KERN_WARNING
-		       "SELinux: failure in sel_netif_sid_slow(),"
-		       " invalid network interface (%d)\n", ifindex);
+		pr_warn("SELinux: failure in %s(), invalid network interface (%d)\n",
+			__func__, ifindex);
 		return -ENOENT;
 	}
 
@@ -177,10 +176,8 @@ static int sel_netif_sid_slow(struct net *ns, int ifindex, u32 *sid)
 	spin_unlock_bh(&sel_netif_lock);
 	dev_put(dev);
 	if (unlikely(ret)) {
-		printk(KERN_WARNING
-		       "SELinux: failure in sel_netif_sid_slow(),"
-		       " unable to determine network interface label (%d)\n",
-		       ifindex);
+		pr_warn("SELinux: failure in %s(), unable to determine network interface label (%d)\n",
+			__func__, ifindex);
 		kfree(new);
 	}
 	return ret;