Commit 7c53624c authored by Zheng Yongjun's avatar Zheng Yongjun Committed by Greg Kroah-Hartman
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usb: host: u132-hcd: use DEFINE_MUTEX() for mutex lock 



mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().

Reported-by: default avatarHulk Robot <hulkci@huawei.com>
Signed-off-by: default avatarZheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20210405101434.14878-1-zhengyongjun3@huawei.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9c207609

drivers/usb/host/u132-hcd.c

+1 −2
Original line number Diff line number Diff line
@@ -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);