linux-kernel - [PATCH 3.4 062/214] crypto: crypto_wq - Fix late crypto work queue initialization

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Message-Id: <20140605041647.826241796@linuxfoundation.org>
Date:	Wed,  4 Jun 2014 21:17:05 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Tim Chen <tim.c.chen@...ux.intel.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: [PATCH 3.4 062/214] crypto: crypto_wq - Fix late crypto work queue initialization

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tim Chen <tim.c.chen@...ux.intel.com>

commit 130fa5bc81b44b6cc1fbdea3abf6db0da22964e0 upstream.

The crypto algorithm modules utilizing the crypto daemon could
be used early when the system start up.  Using module_init
does not guarantee that the daemon's work queue is initialized
when the cypto alorithm depending on crypto_wq starts.  It is necessary
to initialize the crypto work queue earlier at the subsystem
init time to make sure that it is initialized
when used.

Signed-off-by: Tim Chen <tim.c.chen@...ux.intel.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 crypto/crypto_wq.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/crypto/crypto_wq.c
+++ b/crypto/crypto_wq.c
@@ -33,7 +33,7 @@ static void __exit crypto_wq_exit(void)
 	destroy_workqueue(kcrypto_wq);
 }
 
-module_init(crypto_wq_init);
+subsys_initcall(crypto_wq_init);
 module_exit(crypto_wq_exit);
 
 MODULE_LICENSE("GPL");


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