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authorDavid S. Miller <davem@davemloft.net>2010-04-21 01:57:01 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-21 01:57:01 -0700
commitf71b70e115dd0bb34eee4d281a4fb6416e88cfff (patch)
tree60211922a5cd776a5072babd8d930f687bd9d7c6 /net/ipv6
parent87eb367003887cdc81a5d183efea227b5b488961 (diff)
tcp: Fix ipv6 checksumming on response packets for real.
Commit 6651ffc8e8bdd5fb4b7d1867c6cfebb4f309512c ("ipv6: Fix tcp_v6_send_response transport header setting.") fixed one half of why ipv6 tcp response checksums were invalid, but it's not the whole story. If we're going to use CHECKSUM_PARTIAL for these things (which we are since commit 2e8e18ef52e7dd1af0a3bd1f7d990a1d0b249586 "tcp: Set CHECKSUM_UNNECESSARY in tcp_init_nondata_skb"), we can't be setting buff->csum as we always have been here in tcp_v6_send_response. We need to leave it at zero. Kill that line and checksums are good again. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/tcp_ipv6.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 78480f410a9b..5d2e4301e246 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1050,8 +1050,6 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
}
#endif
- buff->csum = csum_partial(t1, tot_len, 0);
-
memset(&fl, 0, sizeof(fl));
ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr);
ipv6_addr_copy(&fl.fl6_src, &ipv6_hdr(skb)->daddr);