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From: Ye Bin <yebin10@huawei.com>
To: <valentina.manea.m@gmail.com>, <shuah@kernel.org>,
	<gregkh@linuxfoundation.org>, <yebin10@huawei.com>
Cc: <linux-usb@vger.kernel.org>, <kernel-janitors@vger.kernel.org>,
	<hulkci@huawei.com>
Subject: [PATCH -next v2] usbip: vudc: fix missing unlock on error in usbip_sockfd_store()
Date: Thu, 8 Apr 2021 19:23:05 +0800	[thread overview]
Message-ID: <20210408112305.1022247-1-yebin10@huawei.com> (raw)

Add the missing unlock before return from function usbip_sockfd_store()
in the error handling case.

Fixes: bd8b82042269 ("usbip: vudc synchronize sysfs code paths")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
---
 drivers/usb/usbip/vudc_sysfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/usbip/vudc_sysfs.c b/drivers/usb/usbip/vudc_sysfs.c
index f7633ee655a1..d1cf6b51bf85 100644
--- a/drivers/usb/usbip/vudc_sysfs.c
+++ b/drivers/usb/usbip/vudc_sysfs.c
@@ -156,12 +156,14 @@ static ssize_t usbip_sockfd_store(struct device *dev,
 		tcp_rx = kthread_create(&v_rx_loop, &udc->ud, "vudc_rx");
 		if (IS_ERR(tcp_rx)) {
 			sockfd_put(socket);
+			mutex_unlock(&udc->ud.sysfs_lock);
 			return -EINVAL;
 		}
 		tcp_tx = kthread_create(&v_tx_loop, &udc->ud, "vudc_tx");
 		if (IS_ERR(tcp_tx)) {
 			kthread_stop(tcp_rx);
 			sockfd_put(socket);
+			mutex_unlock(&udc->ud.sysfs_lock);
 			return -EINVAL;
 		}
 
-- 
2.25.4


             reply	other threads:[~2021-04-08 11:14 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-08 11:23 Ye Bin [this message]
2021-04-08 15:14 ` [PATCH -next v2] usbip: vudc: fix missing unlock on error in usbip_sockfd_store() Shuah Khan
2021-04-09 14:04 ` Greg KH
2021-04-12  7:00   ` yebin
2021-04-12  8:30     ` Greg KH

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