From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Mon, 20 Apr 2015 03:26:48 +0000 (+0800)
Subject: crypto: drbg - Initialise mutex in drbg_healthcheck_sanity
X-Git-Tag: firefly_0821_release~176^2~1617^2~270
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e11a754813e28dbfab63a23ae8fd22e9198489e1;p=firefly-linux-kernel-4.4.55.git

crypto: drbg - Initialise mutex in drbg_healthcheck_sanity

As we moved the mutex init out of drbg_instantiate and into cra_init
we need to explicitly initialise the mutex in drbg_healthcheck_sanity.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Stephan Mueller <smueller@chronox.de>
---

diff --git a/crypto/drbg.c b/crypto/drbg.c
index 30ec2a624b70..57fd479b8f77 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1741,6 +1741,8 @@ static inline int __init drbg_healthcheck_sanity(void)
 	if (!drbg)
 		return -ENOMEM;
 
+	mutex_init(&drbg->drbg_mutex);
+
 	/*
 	 * if the following tests fail, it is likely that there is a buffer
 	 * overflow as buf is much smaller than the requested or provided