From: Jeff Layton <jlayton@redhat.com>
Date: Mon, 11 Jun 2012 14:03:42 +0000 (-0400)
Subject: rpc_pipefs: allow rpc_purge_list to take a NULL waitq pointer
X-Git-Tag: v3.5-rc3~6^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92123e068efa310b09e9943ac1cfd10ff6b6d2e4;p=pandora-kernel.git

rpc_pipefs: allow rpc_purge_list to take a NULL waitq pointer

In the event that we don't have a dentry for a rpc_pipefs pipe, we still
need to allow the queue_timeout job to clean out the queue. There's just
no waitq to wake up in that event.

Cc: stable@kernel.org
Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl>
Reported-by: Joerg Platte <jplatte@naasa.net>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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