On Fri, Jul 1, 2016 at 5:58 PM, Pravin B Shelar <[email protected]> wrote:
> diff --git a/datapath/linux/compat/geneve.c b/datapath/linux/compat/geneve.c
> index db1c713..a7229c8 100644
> --- a/datapath/linux/compat/geneve.c
> +++ b/datapath/linux/compat/geneve.c
> @@ -578,6 +574,7 @@ static int geneve_build_skb(struct rtable *rt, struct
> sk_buff *skb,
> return 0;
>
> free_rt:
> + kfree_skb(skb);
> ip_rt_put(rt);
> return err;
> }
It looks like this replaces the upstream tx_error changes in this
patch with the kfree_skb() here. Can we follow the original pattern?
> diff --git a/datapath/linux/compat/include/net/udp_tunnel.h
> b/datapath/linux/compat/include/net/udp_tunnel.h
> index 85aed98..65adc02 100644
> --- a/datapath/linux/compat/include/net/udp_tunnel.h
> +++ b/datapath/linux/compat/include/net/udp_tunnel.h
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,7,0)
> +/* this is to handle the return type change in handle-offload
> + * functions.
> + */
> +static inline int
> +rpl_udp_tunnel_handle_offloads(struct sk_buff *skb, bool udp_csum,
> + bool is_vxlan)
> +{
> + if (skb_is_gso(skb) && skb_is_encapsulated(skb)) {
> + kfree_skb(skb);
> + return -ENOSYS;
> + }
> + return udp_tunnel_handle_offloads(skb, udp_csum);
> +}
> +
[...]
> +static inline int rpl_udp_tunnel_handle_offloads(struct sk_buff *skb,
> + bool udp_csum,
> + bool is_vxlan)
> {
> + int type = 0;
> +
> void (*fix_segment)(struct sk_buff *);
>
> if (skb_is_gso(skb) && skb_is_encapsulated(skb)) {
> kfree_skb(skb);
> - return ERR_PTR(-ENOSYS);
> + return -ENOSYS;
> }
In both of these cases, I don't think that we should free the skb on
error any more.
> diff --git a/datapath/linux/compat/utils.c b/datapath/linux/compat/utils.c
> index 7113e09..7008ecf 100644
> --- a/datapath/linux/compat/utils.c
> +++ b/datapath/linux/compat/utils.c
> @@ -72,9 +72,6 @@ void __percpu *__alloc_percpu_gfp(size_t size, size_t
> align, gfp_t gfp)
> void __percpu *p;
> int i;
>
> - /* older kernel do not allow all GFP flags, specifically atomic
> - * allocation.
> - */
> if (gfp & ~(GFP_KERNEL | __GFP_ZERO))
> return NULL;
> p = __alloc_percpu(size, align);
It looks like this should be part of another patch?
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