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net: use skb_sec_path helper in more places

Browse source 
skb_sec_path gains 'const' qualifier to avoid
xt_policy.c: 'skb_sec_path' discards 'const' qualifier from pointer target type

same reasoning as previous conversions: Won't need to touch these
spots anymore when skb->sp is removed.

Signed-off-by: Florian Westphal <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Florian Westphal 2018-12-18 17:15:20 +01:00 • committed by David S. Miller
commit 2294be0f11
13 changed files with 52 additions and 31 deletions
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9
net/ipv4/esp4.c
View file

@ -125,10 +125,13 @@ static void esp_output_done(struct crypto_async_request *base, int err)
void *tmp;
struct xfrm_state *x;
if (xo && (xo->flags & XFRM_DEV_RESUME))
x = skb->sp->xvec[skb->sp->len - 1];
else
if (xo && (xo->flags & XFRM_DEV_RESUME)) {
struct sec_path *sp = skb_sec_path(skb);
x = sp->xvec[sp->len - 1];
} else {
x = skb_dst(skb)->xfrm;
}
tmp = ESP_SKB_CB(skb)->tmp;
esp_ssg_unref(x, tmp);

4
net/ipv4/esp4_offload.c
View file

@ -115,6 +115,7 @@ static struct sk_buff *esp4_gso_segment(struct sk_buff *skb,
struct crypto_aead *aead;
netdev_features_t esp_features = features;
struct xfrm_offload *xo = xfrm_offload(skb);
struct sec_path *sp;
if (!xo)
return ERR_PTR(-EINVAL);
@ -122,7 +123,8 @@ static struct sk_buff *esp4_gso_segment(struct sk_buff *skb,
if (!(skb_shinfo(skb)->gso_type & SKB_GSO_ESP))
return ERR_PTR(-EINVAL);
x = skb->sp->xvec[skb->sp->len - 1];
sp = skb_sec_path(skb);
x = sp->xvec[sp->len - 1];
aead = x->data;
esph = ip_esp_hdr(skb);