linux-kernel - [PATCH -next] crypto: qat - remove unnecessary mutex

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 16 Sep 2020 14:21:21 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
CC:     <qat-linux@...el.com>, <linux-crypto@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH -next] crypto: qat - remove unnecessary mutex_init()

The mutex adf_ctl_lock is initialized statically. It is
unnecessary to initialize by mutex_init().

Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
 drivers/crypto/qat/qat_common/adf_ctl_drv.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/crypto/qat/qat_common/adf_ctl_drv.c b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
index 71d0c44aa..eb9b3be9d 100644
--- a/drivers/crypto/qat/qat_common/adf_ctl_drv.c
+++ b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
@@ -416,8 +416,6 @@ static long adf_ctl_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
 
 static int __init adf_register_ctl_device_driver(void)
 {
-	mutex_init(&adf_ctl_lock);
-
 	if (adf_chr_drv_create())
 		goto err_chr_dev;
 
-- 
2.23.0