linux-kernel - [PATCH v2 -next] intel: iwlwifi: use DEFINE

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Date:   Thu, 24 Dec 2020 21:25:03 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <kvalo@...eaurora.org>, <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <luciano.coelho@...el.com>,
        Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH v2 -next] intel: iwlwifi: 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>
---
 drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 9dcd2e990c9c..71119044382f 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -133,7 +133,7 @@ enum {
 };
 
 /* Protects the table contents, i.e. the ops pointer & drv list */
-static struct mutex iwlwifi_opmode_table_mtx;
+static DEFINE_MUTEX(iwlwifi_opmode_table_mtx);
 static struct iwlwifi_opmode_table {
 	const char *name;			/* name: iwldvm, iwlmvm, etc */
 	const struct iwl_op_mode_ops *ops;	/* pointer to op_mode ops */
@@ -1786,8 +1786,6 @@ static int __init iwl_drv_init(void)
 {
 	int i, err;
 
-	mutex_init(&iwlwifi_opmode_table_mtx);
-
 	for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
 		INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
 
-- 
2.22.0