From: Jeff Layton <jlayton@redhat.com>
Date: Mon, 18 Mar 2013 14:49:07 +0000 (-0400)
Subject: nfsd: only unhash DRC entries that are in the hashtable
X-Git-Tag: v3.9-rc5~33^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a517b608fa3d9b65930ef53ffe4a2f9800e10f7d;p=pandora-kernel.git

nfsd: only unhash DRC entries that are in the hashtable

It's not safe to call hlist_del() on a newly initialized hlist_node.
That leads to a NULL pointer dereference. Only do that if the entry
is hashed.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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