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Date:	Fri, 07 Dec 2012 13:51:47 +0800
From:	Jason Wang <jasowang@...hat.com>
To:	Paul Moore <pmoore@...hat.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [net-next PATCH] tun: correctly report an error in tun_flow_init()

On Thursday, December 06, 2012 10:48:38 AM Paul Moore wrote:
> On error, the error code from tun_flow_init() is lost inside
> tun_set_iff(), this patch fixes this by assigning the tun_flow_init()
> error code to the "err" variable which is returned by
> the tun_flow_init() function on error.
> 
> Signed-off-by: Paul Moore <pmoore@...hat.com>

Acked-by: Jason Wang <jasowang@...hat.com>

Thanks Paul.
> ---
>  drivers/net/tun.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/tun.c b/drivers/net/tun.c
> index a1b2389..14a0454 100644
> --- a/drivers/net/tun.c
> +++ b/drivers/net/tun.c
> @@ -1591,7 +1591,8 @@ static int tun_set_iff(struct net *net, struct file
> *file, struct ifreq *ifr)
> 
>  		tun_net_init(dev);
> 
> -		if (tun_flow_init(tun))
> +		err = tun_flow_init(tun);
> +		if (err < 0)
>  			goto err_free_dev;
> 
>  		dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST |
> 
> --
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