diff options
| author | Zheng Yongjun <zhengyongjun3@huawei.com> | 2021-04-05 13:14:34 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-09 17:02:30 +0300 |
| commit | 7c53624cbdbe9f6b0c71533efd7c8637ea4a47e3 (patch) | |
| tree | f28283142ad2bc491f1fcf6edcce0802ca028f8d | |
| parent | 9c2076090c2815fe7c49676df68dde7e60a9b9fc (diff) | |
| download | linux-7c53624cbdbe9f6b0c71533efd7c8637ea4a47e3.tar.xz | |
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: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20210405101434.14878-1-zhengyongjun3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/host/u132-hcd.c | 3 |
1 files changed, 1 insertions, 2 deletions
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); |