1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 4032b818f3e4..659ddfb10947 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -216,6 +216,9 @@ static void raw_err(struct sock *sk, struct sk_buff *skb, u32 info)
         int err = 0;
         int harderr = 0;
 
+        if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED)
+                ipv4_sk_update_pmtu(skb, sk, info);
+
         /* Report error on raw socket, if:
            1. User requested ip_recverr.
            2. Socket is connected (otherwise the error indication