diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index be3f18a..2c88da6 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -438,7 +438,7 @@
 				goto error;
 			}
 			opt->cipso = optptr - iph;
-			if (cipso_v4_validate(&optptr)) {
+			if (cipso_v4_validate(skb, &optptr)) {
 				pp_ptr = optptr;
 				goto error;
 			}