patch-2.4.27 linux-2.4.27/net/ipv6/netfilter/ip6t_owner.c

• Lines: 16
• Date: 2004-08-07 16:26:07.033444531 -0700
• Orig file: linux-2.4.26/net/ipv6/netfilter/ip6t_owner.c
• Orig date: 2001-10-30 15:08:12.000000000 -0800

diff -urN linux-2.4.26/net/ipv6/netfilter/ip6t_owner.c linux-2.4.27/net/ipv6/netfilter/ip6t_owner.c
@@ -137,7 +137,14 @@
 
 	if (matchsize != IP6T_ALIGN(sizeof(struct ip6t_owner_info)))
 		return 0;
-
+#ifdef CONFIG_SMP
+	/* files->file_lock can not be used in a BH */
+	if (((struct ip6t_owner_info *)matchinfo)->match
+	    & (IP6T_OWNER_PID|IP6T_OWNER_SID)) {
+		printk("ip6t_owner: pid and sid matching is broken on SMP.\n");
+		return 0;
+	}
+#endif
 	return 1;
 }