From: Zheng Yongjun <zhengyongjun3@huawei.com>
Date: Thu, 24 Dec 2020 13:22:33 +0000 (+0800)
Subject: ecryptfs: use DEFINE_MUTEX() for mutex lock
X-Git-Tag: v5.13-rc1~31^2~18
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=902af369942f8d0a6bdaa8466ff0d84d3d9b03a8;p=linux-block.git

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@huawei.com>
Signed-off-by: Tyler Hicks <code@tyhicks.com>
---

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 @@ out:
 
 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;
 }