Messages in this thread Patch in this message | | | From | David Howells <> | Subject | [PATCH 13/16] commit ad495d7b6cfcd1bc2eaf06c42699be0bb5d84234 [try #4] | Date | Wed, 25 Apr 2007 16:50:04 +0100 |
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[NETLINK]: Mirror UDP MSG_TRUNC semantics.
If the user passes MSG_TRUNC in via msg_flags, return the full packet size not the truncated size.
Idea from Herbert Xu and Thomas Graf.
Signed-off-by: David S. Miller <davem@davemloft.net> ---
net/netlink/af_netlink.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index c48b0f4..5890210 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1242,6 +1242,9 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock, scm_recv(sock, msg, siocb->scm, flags); + if (flags & MSG_TRUNC) + copied = skb->len; + out: netlink_rcv_wake(sk); return err ? : copied; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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