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From: Alexander Popov <alpopov@ptsecurity.com>
To: Valentina Manea <valentina.manea.m@gmail.com>,
	Shuah Khan <shuah.kh@samsung.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	<linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: Alexander Popov <alpopov@ptsecurity.com>
Subject: Re: [PATCH 1/1] usbip: don't call stub_device_reset() during stub_disconnect()
Date: Fri, 27 May 2016 17:20:45 +0300	[thread overview]
Message-ID: <574857BD.9060709@ptsecurity.com> (raw)
In-Reply-To: <1463737048-25443-1-git-send-email-alpopov@ptsecurity.com>

Hello,

Excuse me for disturbing, could I have a feedback?

On 20.05.2016 12:37, Alexander Popov wrote:
> stub_disconnect() calls stub_device_reset() during usb_unbind_device() when
> usb device is locked. So usb_lock_device_for_reset() in stub_device_reset()
> in that case polls for one second and returns -EBUSY anyway.
> 
> Remove useless flag USBIP_EH_RESET from SDEV_EVENT_REMOVED.
> 
> Signed-off-by: Alexander Popov <alpopov@ptsecurity.com>
> ---
>  drivers/usb/usbip/usbip_common.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h
> index 86b0847..c4b4938 100644
> --- a/drivers/usb/usbip/usbip_common.h
> +++ b/drivers/usb/usbip/usbip_common.h
> @@ -242,7 +242,7 @@ enum usbip_side {
>  #define USBIP_EH_RESET		(1 << 2)
>  #define USBIP_EH_UNUSABLE	(1 << 3)
>  
> -#define SDEV_EVENT_REMOVED   (USBIP_EH_SHUTDOWN | USBIP_EH_RESET | USBIP_EH_BYE)
> +#define	SDEV_EVENT_REMOVED	(USBIP_EH_SHUTDOWN | USBIP_EH_BYE)
>  #define	SDEV_EVENT_DOWN		(USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
>  #define	SDEV_EVENT_ERROR_TCP	(USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
>  #define	SDEV_EVENT_ERROR_SUBMIT	(USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
> 

  reply	other threads:[~2016-05-27 14:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-20  9:37 [PATCH 1/1] usbip: don't call stub_device_reset() during stub_disconnect() Alexander Popov
2016-05-27 14:20 ` Alexander Popov [this message]
2016-05-27 16:12   ` Greg Kroah-Hartman

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