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| author | Al Viro <viro@zeniv.linux.org.uk> | 2006-11-16 02:36:50 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-02 21:23:39 -0800 |
| commit | f6ab028804bdc580fe0915494dbf31f5ea473ca7 (patch) | |
| tree | 4bf0fedcfaab7103682bc6209f196104fa9df8fb /net/ipv4/udp.c | |
| parent | b51655b958dfb1176bfcf99466231fdbef8751ff (diff) | |
| download | lwn-f6ab028804bdc580fe0915494dbf31f5ea473ca7.tar.gz lwn-f6ab028804bdc580fe0915494dbf31f5ea473ca7.zip | |
[NET]: Make mangling a checksum (0 -> 0xffff on the wire) explicit.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index f9c4ed7207bb..dc19ba1e73b5 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -441,7 +441,7 @@ static void udp4_hwcsum_outgoing(struct sock *sk, struct sk_buff *skb, uh->check = csum_tcpudp_magic(src, dst, len, IPPROTO_UDP, csum); if (uh->check == 0) - uh->check = -1; + uh->check = CSUM_MANGLED_0; } } @@ -490,7 +490,7 @@ int udp_push_pending_frames(struct sock *sk, struct udp_sock *up) uh->check = csum_tcpudp_magic(fl->fl4_src, fl->fl4_dst, up->len, sk->sk_protocol, csum ); if (uh->check == 0) - uh->check = -1; + uh->check = CSUM_MANGLED_0; send: err = ip_push_pending_frames(sk); |