[PATCH] net: Avoid strcmp current->comm with warncomm when warned >= 5

We can possibly avoid strcmp warncomm with current->comm by check warned
first.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 net/core/sock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/sock.c b/net/core/sock.c
index e4f40b175acb..51e13bc42791 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c

@@ -417,7 +417,7 @@ 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) {
+	if (warned < 5 && strcmp(warncomm, current->comm)) {
 		strcpy(warncomm,  current->comm);
 		pr_warn("process `%s' is using obsolete %s SO_BSDCOMPAT\n",
 			warncomm, name);

-- 
2.19.1

From: Miaohe Lin <linmiaohe@huawei.com>
Date: Tue, 18 Aug 2020 07:41:32 -0400

We've been warning about SO_BSDCOMPAT usage for almost 20 years, I think
we can remove this code completely now.