notifyd: prevent NULL deref segfault in notifyd_peer_destructor
authorMichael Adam <obnox@samba.org>
Fri, 20 May 2016 10:57:48 +0000 (12:57 +0200)
committerVolker Lendecke <vl@samba.org>
Fri, 20 May 2016 15:32:54 +0000 (17:32 +0200)
commit1c76746b637bc1867f85ba94786b89f22d1b0c32
treee1a13d76876c1ab6ae75d947707e0300d0f94481
parentf85f4ce9cc0f64061fde5fc664a1cfb971665368
notifyd: prevent NULL deref segfault in notifyd_peer_destructor

It seems it could happen that p->db == NULL in the list
from notifyd_clean_peers_next(). This has been seen in
a ctdb cluster when an node-internal ctdb interface is
brought down.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11930

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri May 20 17:32:55 CEST 2016 on sn-devel-144
source3/smbd/notifyd/notifyd.c