diff mbox series

[-next] usb: host: u132-hcd: use DEFINE_MUTEX() for mutex lock

Message ID 20210405101434.14878-1-zhengyongjun3@huawei.com
State New
Headers show
Series [-next] usb: host: u132-hcd: use DEFINE_MUTEX() for mutex lock | expand

Commit Message

Zheng Yongjun April 5, 2021, 10:14 a.m. UTC
mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
 drivers/usb/host/u132-hcd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index eb96e1e15b71..5a783c423d8e 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -78,7 +78,7 @@  static DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait);
 * u132_module_lock exists to protect access to global variables
 *
 */
-static struct mutex u132_module_lock;
+static DEFINE_MUTEX(u132_module_lock);
 static int u132_exiting;
 static int u132_instances;
 /*
@@ -3190,7 +3190,6 @@  static int __init u132_hcd_init(void)
 	int retval;
 	u132_instances = 0;
 	u132_exiting = 0;
-	mutex_init(&u132_module_lock);
 	if (usb_disabled())
 		return -ENODEV;
 	printk(KERN_INFO "driver %s\n", hcd_name);