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authorPavel Emelyanov <xemul@parallels.com>2012-02-21 11:30:58 +0400
committerDavid S. Miller <davem@davemloft.net>2012-02-21 23:58:57 +0400
commit3f518bf745cbd6007d8069100fb9cb09e960c872 (patch)
treedebbe9e9340d46080f1b82e4149a2427545c4aef /net/ipv6
parent4934b0329f7150dcb5f90506860e2db32274c755 (diff)
downloadlinux-3f518bf745cbd6007d8069100fb9cb09e960c872.tar.xz
datagram: Add offset argument to __skb_recv_datagram
This one is only considered for MSG_PEEK flag and the value pointed by it specifies where to start peeking bytes from. If the offset happens to point into the middle of the returned skb, the offset within this skb is put back to this very argument. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/udp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 8aebf8f90436..37b0699e95e5 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -342,7 +342,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
struct inet_sock *inet = inet_sk(sk);
struct sk_buff *skb;
unsigned int ulen, copied;
- int peeked;
+ int peeked, off = 0;
int err;
int is_udplite = IS_UDPLITE(sk);
int is_udp4;
@@ -359,7 +359,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
try_again:
skb = __skb_recv_datagram(sk, flags | (noblock ? MSG_DONTWAIT : 0),
- &peeked, &err);
+ &peeked, &off, &err);
if (!skb)
goto out;