[PATCH v2] net: Stop warning about SO_BSDCOMPAT usage

[Miaohe Lin]

We've been warning about SO_BSDCOMPAT usage for many years. We may remove
this code completely now.

Suggested-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Miaohe Lin <linmia...@huawei.com>
---
 net/core/sock.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/net/core/sock.c b/net/core/sock.c
index e4f40b175acb..64d2aec5ed45 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -413,18 +413,6 @@ static int sock_set_timeout(long *timeo_p, sockptr_t 
optval, int optlen,
        return 0;
 }
 
-static void sock_warn_obsolete_bsdism(const char *name)
-{
-       static int warned;
-       static char warncomm[TASK_COMM_LEN];
-       if (strcmp(warncomm, current->comm) && warned < 5) {
-               strcpy(warncomm,  current->comm);
-               pr_warn("process `%s' is using obsolete %s SO_BSDCOMPAT\n",
-                       warncomm, name);
-               warned++;
-       }
-}
-
 static bool sock_needs_netstamp(const struct sock *sk)
 {
        switch (sk->sk_family) {
@@ -984,7 +972,6 @@ int sock_setsockopt(struct socket *sock, int level, int 
optname,
                break;
 
        case SO_BSDCOMPAT:
-               sock_warn_obsolete_bsdism("setsockopt");
                break;
 
        case SO_PASSCRED:
@@ -1387,7 +1374,6 @@ int sock_getsockopt(struct socket *sock, int level, int 
optname,
                break;
 
        case SO_BSDCOMPAT:
-               sock_warn_obsolete_bsdism("getsockopt");
                break;
 
        case SO_TIMESTAMP_OLD:
-- 
2.19.1