1 files changed, 3 insertions, 2 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 912402752f2f..df184616493f 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -828,7 +828,7 @@ static int __ip_append_data(struct sock *sk,
 
         if (cork->length + length > maxnonfragsize - fragheaderlen) {
                 ip_local_error(sk, EMSGSIZE, fl4->daddr, inet->inet_dport,
-                               mtu-exthdrlen);
+                               mtu - (opt ? opt->optlen : 0));
                 return -EMSGSIZE;
         }
 
@@ -1151,7 +1151,8 @@ ssize_t	ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page,
                          mtu : 0xFFFF;
 
         if (cork->length + size > maxnonfragsize - fragheaderlen) {
-                ip_local_error(sk, EMSGSIZE, fl4->daddr, inet->inet_dport, mtu);
+                ip_local_error(sk, EMSGSIZE, fl4->daddr, inet->inet_dport,
+                               mtu - (opt ? opt->optlen : 0));
                 return -EMSGSIZE;
         }