From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Sun, 12 Sep 2010 23:55:25 +0000 (-0400)
Subject: SUNRPC: Fix a race in rpc_info_open
X-Git-Tag: v2.6.36-rc5~36^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=006abe887c5e637d059c44310de6c92f36aded3b;p=pandora-kernel.git

SUNRPC: Fix a race in rpc_info_open

There is a race between rpc_info_open and rpc_release_client()
in that nothing stops a process from opening the file after
the clnt->cl_kref goes to zero.

Fix this by using atomic_inc_unless_zero()...

Reported-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
---

Reading git-diff-tree failed