From: Roberto Sassu <roberto.sassu@polito.it>
Date: Mon, 21 Mar 2011 15:00:54 +0000 (+0100)
Subject: eCryptfs: move ecryptfs_find_auth_tok_for_sig() call before mutex_lock
X-Git-Tag: v2.6.39-rc1~18^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=950983fc04e02232e0d25717903461578a755ebb;p=pandora-kernel.git

eCryptfs: move ecryptfs_find_auth_tok_for_sig() call before mutex_lock

The ecryptfs_find_auth_tok_for_sig() call is moved before the
mutex_lock(s->tfm_mutex) instruction in order to avoid possible deadlocks
that may occur by holding the lock on the two semaphores 'key->sem' and
's->tfm_mutex' in reverse order.

Signed-off-by: Roberto Sassu <roberto.sassu@polito.it>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
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