From: Shuah Khan <skhan@linuxfoundation.org>
To: Ye Bin <yebin10@huawei.com>,
valentina.manea.m@gmail.com, shuah@kernel.org,
gregkh@linuxfoundation.org
Cc: linux-usb@vger.kernel.org, kernel-janitors@vger.kernel.org,
hulkci@huawei.com, Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH -next v2] usbip: vudc: fix missing unlock on error in usbip_sockfd_store()
Date: Thu, 8 Apr 2021 09:14:59 -0600 [thread overview]
Message-ID: <9f8939f4-5292-fc0f-7a09-ee3f6de4a132@linuxfoundation.org> (raw)
In-Reply-To: <20210408112305.1022247-1-yebin10@huawei.com>
On 4/8/21 5:23 AM, Ye Bin wrote:
> 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;
> }
>
>
Thank you for finding and fixing this.
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
thanks,
-- Shuah
next prev parent reply other threads:[~2021-04-08 15:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-08 11:23 [PATCH -next v2] usbip: vudc: fix missing unlock on error in usbip_sockfd_store() Ye Bin
2021-04-08 15:14 ` Shuah Khan [this message]
2021-04-09 14:04 ` Greg KH
2021-04-12 7:00 ` yebin
2021-04-12 8:30 ` Greg KH
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