netdev - [PATCH net-next] cfg80211: regulatory: use DEFINE

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Message-ID: <20210325143854.13186-1-linqiheng@huawei.com>
Date:   Thu, 25 Mar 2021 22:38:54 +0800
From:   'Qiheng Lin <linqiheng@...wei.com>
To:     <linqiheng@...wei.com>, Johannes Berg <johannes@...solutions.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
CC:     <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH net-next] cfg80211: regulatory: use DEFINE_SPINLOCK() for spinlock

From: Qiheng Lin <linqiheng@...wei.com>

spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Qiheng Lin <linqiheng@...wei.com>
---
 net/wireless/reg.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 21536c48deec..1c14f4d30344 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -126,7 +126,7 @@ static int reg_num_devs_support_basehint;
  * is relevant for all registered devices.
  */
 static bool reg_is_indoor;
-static spinlock_t reg_indoor_lock;
+static DEFINE_SPINLOCK(reg_indoor_lock);
 
 /* Used to track the userspace process controlling the indoor setting */
 static u32 reg_is_indoor_portid;
@@ -210,11 +210,11 @@ static struct regulatory_request *get_last_request(void)
 
 /* Used to queue up regulatory hints */
 static LIST_HEAD(reg_requests_list);
-static spinlock_t reg_requests_lock;
+static DEFINE_SPINLOCK(reg_requests_lock);
 
 /* Used to queue up beacon hints for review */
 static LIST_HEAD(reg_pending_beacons);
-static spinlock_t reg_pending_beacons_lock;
+static DEFINE_SPINLOCK(reg_pending_beacons_lock);
 
 /* Used to keep track of processed beacon hints */
 static LIST_HEAD(reg_beacon_list);
@@ -4262,10 +4262,6 @@ int __init regulatory_init(void)
 	if (IS_ERR(reg_pdev))
 		return PTR_ERR(reg_pdev);
 
-	spin_lock_init(&reg_requests_lock);
-	spin_lock_init(&reg_pending_beacons_lock);
-	spin_lock_init(&reg_indoor_lock);
-
 	rcu_assign_pointer(cfg80211_regdomain, cfg80211_world_regdom);
 
 	user_alpha2[0] = '9';