netdev - Re: [patch]startup race in hso driver

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Message-ID: <494A5728.9070908@option.com>
Date:	Thu, 18 Dec 2008 14:59:04 +0100
From:	Denis Joseph Barrow <D.Barow@...ion.com>
To:	Oliver Neukum <oliver@...kum.org>
CC:	ajb@...eresystems.co.uk, Greg Kroah-Hartman <gregkh@...e.de>,
	netdev@...r.kernel.org, jgarzik@...ox.com,
	USB list <linux-usb@...r.kernel.org>
Subject: Re: [patch]startup race in hso driver

Thanks Oliver,
I'll add it to our internal tree.

Oliver Neukum wrote:
> The flag marking a device running must be set before the URBs for
> recption are submitted or they may complete too early and fail to resubmit.
> 
> Signed-off-by: Oliver Neukum <oneukum@...e.de>
> 
> 	Regards
> 		Oliver
> 
> ---
> 
> diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
> index 8e90891..cc75c8b 100644
> --- a/drivers/net/usb/hso.c
> +++ b/drivers/net/usb/hso.c
> @@ -658,10 +658,9 @@ static int hso_net_open(struct net_device *net)
>  	odev->rx_buf_missing = sizeof(struct iphdr);
>  	spin_unlock_irqrestore(&odev->net_lock, flags);
>  
> -	hso_start_net_device(odev->parent);
> -
>  	/* We are up and running. */
>  	set_bit(HSO_NET_RUNNING, &odev->flags);
> +	hso_start_net_device(odev->parent);
>  
>  	/* Tell the kernel we are ready to start receiving from it */
>  	netif_start_queue(net);
> --
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-- 
best regards,
D.J. Barrow

Linux Kernel Developer
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