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

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Date:   Sat, 30 Jan 2021 11:57:51 -0600
From:   Tyler Hicks <code@...icks.com>
To:     Zheng Yongjun <zhengyongjun3@...wei.com>
Cc:     ecryptfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 -next] ecryptfs: use DEFINE_MUTEX() for mutex lock

On 2020-12-24 21:22:33, Zheng Yongjun wrote:
> mutex lock can be initialized automatically with DEFINE_MUTEX()
> rather than explicitly calling mutex_init().
> 
> Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>

This looks good to me. I've pushed the patch to the eCryptfs next
branch:

 https://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs.git/log/?h=next

Thanks for the cleanup!

Tyler

> ---
>  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
>