linux-kernel - [PATCH net-next] net: usb: Use DEFINE

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Date:   Tue, 29 Dec 2020 21:49:27 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-usb@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH net-next] net: usb: Use DEFINE_SPINLOCK() for spinlock

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

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/net/usb/hso.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 2bb28db89432..ef6dd012b8c4 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -370,7 +370,7 @@ static struct usb_driver hso_driver;
 static struct tty_driver *tty_drv;
 static struct hso_device *serial_table[HSO_SERIAL_TTY_MINORS];
 static struct hso_device *network_table[HSO_MAX_NET_DEVICES];
-static spinlock_t serial_table_lock;
+static DEFINE_SPINLOCK(serial_table_lock);
 
 static const s32 default_port_spec[] = {
 	HSO_INTF_MUX | HSO_PORT_NETWORK,
@@ -3236,7 +3236,6 @@ static int __init hso_init(void)
 	pr_info("%s\n", version);
 
 	/* Initialise the serial table semaphore and table */
-	spin_lock_init(&serial_table_lock);
 	for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++)
 		serial_table[i] = NULL;
 
-- 
2.22.0