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net: ip, diag -- Adjust raw_abort to use unlocked __udp_disconnect 

While being preparing patches for killing raw sockets via
diag netlink interface I noticed that my runs are stuck:

 | [root@pcs7 ~]# cat /proc/`pidof ss`/stack
 | [<ffffffff816d1a76>] __lock_sock+0x80/0xc4
 | [<ffffffff816d206a>] lock_sock_nested+0x47/0x95
 | [<ffffffff8179ded6>] udp_disconnect+0x19/0x33
 | [<ffffffff8179b517>] raw_abort+0x33/0x42
 | [<ffffffff81702322>] sock_diag_destroy+0x4d/0x52

which has not been the case before. I narrowed it down to the commit

 | commit 286c72deab
 | Author: Eric Dumazet <edumazet@google.com>
 | Date:   Thu Oct 20 09:39:40 2016 -0700
 |
 |     udp: must lock the socket in udp_disconnect()

where we start locking the socket for different reason.

So the raw_abort escaped the renaming and we have to
fix this typo using __udp_disconnect instead.

Fixes: 286c72deab ("udp: must lock the socket in udp_disconnect()")
CC: David S. Miller <davem@davemloft.net>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: David Ahern <dsa@cumulusnetworks.com>
CC: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
CC: James Morris <jmorris@namei.org>
CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
CC: Patrick McHardy <kaber@trash.net>
CC: Andrey Vagin <avagin@openvz.org>
CC: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cyrill Gorcunov 2016-11-01 23:05:00 +03:00 committed by David S. Miller
parent cc89c323a3
commit 3de864f8c9
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/raw.c
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@ -920,7 +920,7 @@ int raw_abort(struct sock *sk, int err)
sk->sk_err = err;
sk->sk_error_report(sk);
udp_disconnect(sk, 0);
__udp_disconnect(sk, 0);
release_sock(sk);