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authorEric Dumazet2021-10-27 13:19:22 -0700
committerDavid S. Miller2021-10-28 12:44:39 +0100
commit4f2266748eabc42f107ecb6a3cc5b34614b29a12 (patch)
tree455495f80c8be4d8c65984ae132f6473446913fe /net/ipv6/tcp_ipv6.c
parenta52fe46ef160b4101b8d14209729f49a71388b52 (diff)
tcp: do not clear skb->csum if already zero
Freshly allocated skbs have their csum field cleared already. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index c678e778c1fb..2cc9b0e53ad1 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -969,7 +969,6 @@ static void tcp_v6_send_response(const struct sock *sk, struct sk_buff *skb, u32
fl6.flowlabel = label;
buff->ip_summed = CHECKSUM_PARTIAL;
- buff->csum = 0;
__tcp_v6_send_check(buff, &fl6.saddr, &fl6.daddr);