From: Jason A. Donenfeld Jason@zx2c4.com
commit e0fce6f945a26d4e953a147fe7ca11410322c9fe upstream.
Because gtp is calling icmp from network device context, it should use the ndo helper so that the rate limiting applies correctly.
Signed-off-by: Jason A. Donenfeld Jason@zx2c4.com Cc: Harald Welte laforge@gnumonks.org Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/gtp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -560,8 +560,8 @@ static int gtp_build_skb_ip4(struct sk_b mtu < ntohs(iph->tot_len)) { netdev_dbg(dev, "packet too big, fragmentation needed\n"); memset(IPCB(skb), 0, sizeof(*IPCB(skb))); - icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, - htonl(mtu)); + icmp_ndo_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, + htonl(mtu)); goto err_rt; }