Re: [RFC PATCH 1/2] tun: correctly report an error in tun_flow_init()

[Paul Moore <pmoore@redhat.com>]

On Thursday, November 29, 2012 05:06:29 PM 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@redhat.com>

Jason, we've had some good discussion around patch 2/2 but nothing on this 
fix; can I assume you are okay with this patch?  If so I think we should go 
ahead and apply this ...

> ---
>  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 607a3a5..877ffe2 100644
> --- a/drivers/net/tun.c
> +++ b/drivers/net/tun.c
> @@ -1605,7 +1605,8 @@ 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 |
-- 
paul moore
security and virtualization @ redhat


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