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@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 2bb28db..ef6dd01 100644 (file)
--- 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;