From: J. Bruce Fields <bfields@citi.umich.edu>
Date: Sat, 24 Apr 2010 19:35:43 +0000 (-0400)
Subject: nfsd4: fix unlikely race in session replay case
X-Git-Tag: v2.6.35-rc1~489^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26c0c75e69265961e891ed80b38fb62a548ab371;p=pandora-kernel.git

nfsd4: fix unlikely race in session replay case

In the replay case, the

	renew_client(session->se_client);

happens after we've droppped the sessionid_lock, and without holding a
reference on the session; so there's nothing preventing the session
being freed before we get here.

Thanks to Benny Halevy for catching a bug in an earlier version of this
patch.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Acked-by: Benny Halevy <bhalevy@panasas.com>
---

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