[PATCH -next] usb: usbip: Use DEFINE_SPINLOCK() for spinlock

From: Zheng Yongjun
Date: Wed Dec 23 2020 - 09:14:51 EST


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

Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
---
drivers/usb/usbip/stub_main.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c
index c1c0bbc9f8b1..77a5b3f8736a 100644
--- a/drivers/usb/usbip/stub_main.c
+++ b/drivers/usb/usbip/stub_main.c
@@ -23,7 +23,7 @@ struct kmem_cache *stub_priv_cache;
*/
#define MAX_BUSID 16
static struct bus_id_priv busid_table[MAX_BUSID];
-static spinlock_t busid_table_lock;
+static DEFINE_SPINLOCK(busid_table_lock);

static void init_busid_table(void)
{
@@ -35,8 +35,6 @@ static void init_busid_table(void)
*/
memset(busid_table, 0, sizeof(busid_table));

- spin_lock_init(&busid_table_lock);
-
for (i = 0; i < MAX_BUSID; i++)
spin_lock_init(&busid_table[i].busid_lock);
}
--
2.22.0