From: YueHaibing <yuehaibing@huawei.com>
To: Ye Bin <yebin10@huawei.com>,
Valentina Manea <valentina.manea.m@gmail.com>,
Shuah Khan <shuah@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>, <kernel-janitors@vger.kernel.org>,
Hulk Robot <hulkci@huawei.com>
Subject: Re: [PATCH -next] usbip: vudc: fix missing unlock on error in usbip_sockfd_store()
Date: Thu, 8 Apr 2021 16:57:11 +0800 [thread overview]
Message-ID: <bf976317-2bf5-d019-bf7b-4a4ead0b1c94@huawei.com> (raw)
In-Reply-To: <20210408085033.909377-1-yebin10@huawei.com>
这种bugfix最好加下Fixes tag
On 2021/4/8 16:50, Ye Bin wrote:
> Add the missing unlock before return from function usbip_sockfd_store()
> in the error handling case.
>
> 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;
> }
>
>
> .
>
next prev parent reply other threads:[~2021-04-08 8:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-08 8:50 [PATCH -next] usbip: vudc: fix missing unlock on error in usbip_sockfd_store() Ye Bin
2021-04-08 8:57 ` YueHaibing [this message]
2021-04-08 9:19 ` Greg Kroah-Hartman
2021-04-08 9:39 ` YueHaibing
2021-04-08 9:47 ` Greg Kroah-Hartman
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