net: socket: use pr_info_once to tip the obsolete usage of PF_PACKET

There is no need to use the static variable here, pr_info_once is more concise. Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Mar 14, 2016 · f3c9869 · f3c9869
1 parent 9826731
commit f3c9869
Showing 1 changed file with 2 additions and 6 deletions.
diff --git a/net/socket.c b/net/socket.c
@@ -1107,12 +1107,8 @@ int __sock_create(struct net *net, int family, int type, int protocol,
 	   deadlock in module load.
 	 */
 	if (family == PF_INET && type == SOCK_PACKET) {
-		static int warned;
-		if (!warned) {
-			warned = 1;
-			pr_info("%s uses obsolete (PF_INET,SOCK_PACKET)\n",
-				current->comm);
-		}
+		pr_info_once("%s uses obsolete (PF_INET,SOCK_PACKET)\n",
+			     current->comm);
 		family = PF_PACKET;
 	}