[PATCH] net: Unbreak compat_sys_{send,recv}msg

[David Miller]

From: Eric Dumazet <eric.dumazet at gmail.com>
Date: Thu, 06 Jun 2013 06:45:37 -0700

> On Thu, 2013-06-06 at 00:26 -0700, David Miller wrote:
>> From: Andy Lutomirski <luto at amacapital.net>
>> Date: Wed,  5 Jun 2013 22:38:26 -0700
>> 
>> > I broke them in this commit:
>> > 
>> >     commit 1be374a0518a288147c6a7398792583200a67261
>> >     Author: Andy Lutomirski <luto at amacapital.net>
>> >     Date:   Wed May 22 14:07:44 2013 -0700
>> > 
>> >         net: Block MSG_CMSG_COMPAT in send(m)msg and recv(m)msg
>> > 
>> > This patch adds __sys_sendmsg and __sys_sendmsg as common helpers that accept
>> > MSG_CMSG_COMPAT and blocks MSG_CMSG_COMPAT at the syscall entrypoints.  It
>> > also reverts some unnecessary checks in sys_socketcall.
>> > 
>> > Apparently I was suffering from underscore blindness the first time around.
>> > 
>> > Signed-off-by: Andy Lutomirski <luto at amacapital.net>
>> 
>> Eric, can you test this patch too?
> 
> Yes, this fixes the problem as well on x86_64
> 
> Tested-by: Eric Dumazet <edumazet at google.com>

Applied, thanks.