net: Drop secpath on free after gro merge.

With a followup patch, a gro merged skb can have a secpath.
So drop it before freeing or reusing the skb.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Steffen Klassert 2017-01-30 06:45:38 +01:00
parent eb758c8864
commit f991bb9da1

View File

@ -4623,6 +4623,7 @@ static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
case GRO_MERGED_FREE:
if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) {
skb_dst_drop(skb);
secpath_reset(skb);
kmem_cache_free(skbuff_head_cache, skb);
} else {
__kfree_skb(skb);
@ -4663,6 +4664,7 @@ static void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb)
skb->encapsulation = 0;
skb_shinfo(skb)->gso_type = 0;
skb->truesize = SKB_TRUESIZE(skb_end_offset(skb));
secpath_reset(skb);
napi->skb = skb;
}