On Tue, Apr 30, 2013 at 4:21 PM, Pravin B Shelar <[email protected]> wrote:
> diff --git a/datapath/vport-gre.c b/datapath/vport-gre.c
> index 2db4934..59e22be 100644
> --- a/datapath/vport-gre.c
> +++ b/datapath/vport-gre.c
> @@ -327,10 +325,17 @@ static struct vport *gre_create(const struct
> vport_parms *parms)
> struct net *net = ovs_dp_get_net(parms->dp);
> struct ovs_net *ovs_net;
> struct vport *vport;
> + int err;
> +
> + err = gre_init();
> + if (err)
> + return ERR_PTR(err);
>
> ovs_net = net_generic(net, ovs_net_id);
> - if (ovsl_dereference(ovs_net->vport_net.gre_vport))
> - return ERR_PTR(-EEXIST);
> + if (ovsl_dereference(ovs_net->vport_net.gre_vport)) {
> + vport = ERR_PTR(-EEXIST);
> + goto error;
> + }
I think that we need to jump to error in the case that
ovs_vport_alloc() fails as well.
> diff --git a/datapath/vport.h b/datapath/vport.h
> index cba578c..56065a7 100644
> --- a/datapath/vport.h
> +++ b/datapath/vport.h
> @@ -94,8 +94,7 @@ struct vport {
> struct ovs_vport_stats offset_stats;
> };
>
> -#define VPORT_F_REQUIRED (1 << 0) /* If init fails, module loading
> fails. */
> -#define VPORT_F_TUN_ID (1 << 1) /* Sets OVS_CB(skb)->tun_id. */
> +#define VPORT_F_TUN_ID (1 << 0) /* Sets OVS_CB(skb)->tun_id. */
This is separate but we should probably rename TUN_ID now that it's
more than just the ID. Maybe we can even just remove it (for example,
force people to initialize it) now that it's the only remaining flag.
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