| Message ID | 20200829090918.17614-1-linmiaohe@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | net: Use helper macro IP_MAX_MTU in __ip_append_data() | expand |
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 329a0ab87542..f0f234727547 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -996,7 +996,7 @@ static int __ip_append_data(struct sock *sk, fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0); maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen; - maxnonfragsize = ip_sk_ignore_df(sk) ? 0xFFFF : mtu; + maxnonfragsize = ip_sk_ignore_df(sk) ? IP_MAX_MTU : mtu; if (cork->length + length > maxnonfragsize - fragheaderlen) { ip_local_error(sk, EMSGSIZE, fl4->daddr, inet->inet_dport,
What 0xFFFF means here is actually the max mtu of a ip packet. Use help macro IP_MAX_MTU here. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- net/ipv4/ip_output.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)