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

[Zheng Yongjun]

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

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