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>

1 files changed, 2 insertions, 6 deletions

diff --git a/net/socket.c b/net/socket.c
index 886649c88d8f..c5ddc52cf2b2 100644
--- 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;
         }