[PATCH v2 -next] ecryptfs: use DEFINE_MUTEX() for mutex lock

Zheng Yongjun
2020-12-24T13:23:00Z

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

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.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