From: Zheng Yongjun <zhengyongjun3@huawei.com>
To: <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: Zheng Yongjun <zhengyongjun3@huawei.com>
Subject: [PATCH -next] usb: misc: use DEFINE_MUTEX (and mutex_init() had been too late)
Date: Wed, 23 Dec 2020 22:10:44 +0800 [thread overview]
Message-ID: <20201223141044.32235-1-zhengyongjun3@huawei.com> (raw)
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
drivers/usb/misc/ftdi-elan.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 8a3d9c0c8d8b..bfb538f2cac1 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -61,7 +61,7 @@ extern struct platform_driver u132_platform_driver;
* ftdi_module_lock exists to protect access to global variables
*
*/
-static struct mutex ftdi_module_lock;
+static DEFINE_MUTEX(ftdi_module_lock);
static int ftdi_instances = 0;
static struct list_head ftdi_static_list;
/*
@@ -2761,7 +2761,6 @@ static int __init ftdi_elan_init(void)
{
int result;
pr_info("driver %s\n", ftdi_elan_driver.name);
- mutex_init(&ftdi_module_lock);
INIT_LIST_HEAD(&ftdi_static_list);
result = usb_register(&ftdi_elan_driver);
if (result) {
--
2.22.0
next reply other threads:[~2020-12-23 14:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-23 14:10 Zheng Yongjun [this message]
2020-12-23 14:17 ` [PATCH -next] usb: misc: use DEFINE_MUTEX (and mutex_init() had been too late) Greg KH
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