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From: David Miller <davem@davemloft.net>
To: viro@ZenIV.linux.org.uk
Cc: kaber@trash.net, netdev@vger.kernel.org
Subject: Re: [WTF?] random test in netlink_sendmsg()
Date: Fri, 12 Dec 2014 20:07:58 -0500 (EST)	[thread overview]
Message-ID: <20141212.200758.944592759380344519.davem@davemloft.net> (raw)
In-Reply-To: <20141212213242.GE22149@ZenIV.linux.org.uk>

From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Fri, 12 Dec 2014 21:32:43 +0000

> What do we want sendmsg(fd, &msg, 0) to do when fd is AF_NETLINK socket
> that had setsockopt(fd, SOL_NETLINK, NETLINK_TX_RING, ...) successfully done
> to it and msg.msg_iovlen is 0?

We had a similar issue with msg_name/msg_namelen and we ended up saying
that if msg_namelen is zero then we force msg_name to NULL.

  parent reply	other threads:[~2014-12-13  1:08 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-28  6:23 [WTF?] random test in netlink_sendmsg() Al Viro
2014-12-12 20:34 ` David Miller
2014-12-12 21:32   ` Al Viro
2014-12-12 21:50     ` Florian Westphal
2014-12-12 22:14       ` Al Viro
2014-12-12 22:20         ` Florian Westphal
2014-12-13  1:07     ` David Miller [this message]
2014-12-13  1:54       ` Al Viro
2014-12-13  2:33         ` David Miller
2014-12-13  3:25           ` Al Viro
2014-12-13  4:51             ` Al Viro
2014-12-14  4:38               ` David Miller

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