linux-kernel - [PATCH v2 -next] ecryptfs: use DEFINE

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Message-ID: <20201224132233.30852-1-zhengyongjun3@huawei.com>
Date:   Thu, 24 Dec 2020 21:22:33 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <ecryptfs@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH v2 -next] ecryptfs: use DEFINE_MUTEX() for mutex lock

mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 fs/ecryptfs/crypto.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 0681540c48d9..be906b9bbb11 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1590,11 +1590,10 @@ ecryptfs_process_key_cipher(struct crypto_skcipher **key_tfm,
 
 struct kmem_cache *ecryptfs_key_tfm_cache;
 static struct list_head key_tfm_list;
-struct mutex key_tfm_list_mutex;
+DEFINE_MUTEX(key_tfm_list_mutex);
 
 int __init ecryptfs_init_crypto(void)
 {
-	mutex_init(&key_tfm_list_mutex);
 	INIT_LIST_HEAD(&key_tfm_list);
 	return 0;
 }
-- 
2.22.0