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sctp: set the skb->ip_summed correctly when sending over loopback. 

Loopback used to clobber the ip_summed filed which sctp then used
to figure out if it needed to do checksumming or not.  Now that
loopback doesn't do that any more, sctp needs to set the ip_summed
field correctly.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich 2008-09-18 02:48:25 -07:00 committed by David S. Miller
parent 93821778de
commit a3028b8ed1
1 changed files with 2 additions and 1 deletions
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3
net/sctp/output.c
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@ -533,7 +533,8 @@ int sctp_packet_transmit(struct sctp_packet *packet)
if (!(dst->dev->features & NETIF_F_NO_CSUM)) {
crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len);
crc32 = sctp_end_cksum(crc32);
}
} else
nskb->ip_summed = CHECKSUM_UNNECESSARY;
/* 3) Put the resultant value into the checksum field in the
* common header, and leave the rest of the bits unchanged.