From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ye Bin Subject: [PATCH -next] eCryptfs: Use DEFINE_MUTEX() for mutex lock Date: Fri, 9 Apr 2021 17:51:42 +0800 Message-ID: <20210409095142.2294032-1-yebin10@huawei.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7BIT Return-path: Received: from szxga06-in.huawei.com ([45.249.212.32]:16875 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232964AbhDIJnj (ORCPT ); Fri, 9 Apr 2021 05:43:39 -0400 List-ID: Content-Type: text/plain; charset="us-ascii" To: yebin10@huawei.com, Tyler Hicks , Johannes Weiner , Michal Hocko , Waiman Long , Andrew Morton , David Howells Cc: ecryptfs@vger.kernel.org, kernel-janitors@vger.kernel.org, Hulk Robot mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). Reported-by: Hulk Robot Signed-off-by: Ye Bin --- fs/ecryptfs/messaging.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c index c0dfd9647627..25ed9baf524e 100644 --- a/fs/ecryptfs/messaging.c +++ b/fs/ecryptfs/messaging.c @@ -14,10 +14,10 @@ static LIST_HEAD(ecryptfs_msg_ctx_free_list); static LIST_HEAD(ecryptfs_msg_ctx_alloc_list); -static struct mutex ecryptfs_msg_ctx_lists_mux; +static DEFINE_MUTEX(ecryptfs_msg_ctx_lists_mux); static struct hlist_head *ecryptfs_daemon_hash; -struct mutex ecryptfs_daemon_hash_mux; +DEFINE_MUTEX(ecryptfs_daemon_hash_mux); static int ecryptfs_hash_bits; #define ecryptfs_current_euid_hash(uid) \ hash_long((unsigned long)from_kuid(&init_user_ns, current_euid()), ecryptfs_hash_bits) @@ -359,7 +359,6 @@ int __init ecryptfs_init_messaging(void) "too large, defaulting to [%d] users\n", __func__, ecryptfs_number_of_users); } - mutex_init(&ecryptfs_daemon_hash_mux); mutex_lock(&ecryptfs_daemon_hash_mux); ecryptfs_hash_bits = 1; while (ecryptfs_number_of_users >> ecryptfs_hash_bits) @@ -383,7 +382,6 @@ int __init ecryptfs_init_messaging(void) rc = -ENOMEM; goto out; } - mutex_init(&ecryptfs_msg_ctx_lists_mux); mutex_lock(&ecryptfs_msg_ctx_lists_mux); ecryptfs_msg_counter = 0; for (i = 0; i < ecryptfs_message_buf_len; i++) {