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authorJoel Stanley <joel@jms.id.au>2016-11-21 02:38:38 +0300
committerJoel Stanley <joel@jms.id.au>2016-11-21 02:38:47 +0300
commitc55cf1296a0429d91b940a49a59977617a4e4cb3 (patch)
tree11d7ae008a0ad5bfe4110966b6df7c44cff723fd /net/ipv4/ip_sockglue.c
parent5509e6ee766f6b910c3b81c02bae291fc1d9a806 (diff)
parent86429bd405de5741df4127096deae0b1d90b68f1 (diff)
downloadlinux-dev-4.4.tar.xz
Merge tag 'v4.4.33' into dev-4.4openbmc-4.4-20161121-1dev-4.4
This is the 4.4.33 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'net/ipv4/ip_sockglue.c')
-rw-r--r--net/ipv4/ip_sockglue.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index a50124260f5a..9ce202549e7a 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -98,7 +98,7 @@ static void ip_cmsg_recv_retopts(struct msghdr *msg, struct sk_buff *skb)
}
static void ip_cmsg_recv_checksum(struct msghdr *msg, struct sk_buff *skb,
- int offset)
+ int tlen, int offset)
{
__wsum csum = skb->csum;
@@ -106,7 +106,9 @@ static void ip_cmsg_recv_checksum(struct msghdr *msg, struct sk_buff *skb,
return;
if (offset != 0)
- csum = csum_sub(csum, csum_partial(skb->data, offset, 0));
+ csum = csum_sub(csum,
+ csum_partial(skb->data + tlen,
+ offset, 0));
put_cmsg(msg, SOL_IP, IP_CHECKSUM, sizeof(__wsum), &csum);
}
@@ -152,7 +154,7 @@ static void ip_cmsg_recv_dstaddr(struct msghdr *msg, struct sk_buff *skb)
}
void ip_cmsg_recv_offset(struct msghdr *msg, struct sk_buff *skb,
- int offset)
+ int tlen, int offset)
{
struct inet_sock *inet = inet_sk(skb->sk);
unsigned int flags = inet->cmsg_flags;
@@ -215,7 +217,7 @@ void ip_cmsg_recv_offset(struct msghdr *msg, struct sk_buff *skb,
}
if (flags & IP_CMSG_CHECKSUM)
- ip_cmsg_recv_checksum(msg, skb, offset);
+ ip_cmsg_recv_checksum(msg, skb, tlen, offset);
}
EXPORT_SYMBOL(ip_cmsg_recv_offset);