ss: Add filter before printing unix stats from Netlink

Detailed info can be printed if filter should not pass
the socket info.
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>

misc/ss.c

@@ -2556,7 +2556,7 @@ static void unix_stats_print(struct sockstat *list, struct filter *f)
 			}
 		}
 
-		if (f->f) {
+		if (use_proc && f->f) {
 			if (strcmp(peer, "*") == 0)
 				memset(s->remote.data, 0, sizeof(char *));
 			else
@@ -2628,6 +2628,9 @@ static int unix_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh,
 	if (tb[UNIX_DIAG_PEER])
 		stat.rport = rta_getattr_u32(tb[UNIX_DIAG_PEER]);
 
+	if (f->f && run_ssfilter(f->f, &stat) == 0)
+		return 0;
+
 	unix_stats_print(&stat, f);
 
 	if (show_mem) {