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Date: Wed, 25 Apr 2007 16:50:04 +0100 From: David Howells <dhowells@...hat.com> To: torvalds@...l.org, akpm@...l.org Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org, dhowells@...hat.com Subject: [PATCH 13/16] commit ad495d7b6cfcd1bc2eaf06c42699be0bb5d84234 [try #4] [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@...emloft.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 netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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