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>

diff --git a/net/socket.c b/net/socket.c
index 886649c..c5ddc52 100644 (file)
--- 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;
        }