[NET]: Use TASK_COMM_LEN instead of magic constant.

Signed-off-by: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/sock.c

@@ -166,7 +166,7 @@ static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen)
 static void sock_warn_obsolete_bsdism(const char *name)
 {
 	static int warned;
-	static char warncomm[16];
+	static char warncomm[TASK_COMM_LEN];
 	if (strcmp(warncomm, current->comm) && warned < 5) { 
 		strcpy(warncomm,  current->comm); 
 		printk(KERN_WARNING "process `%s' is using obsolete "