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-rw-r--r--net/core/dev.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 1e0a184..de2bad7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3631,20 +3631,22 @@ gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
}
EXPORT_SYMBOL(napi_skb_finish);
-void skb_gro_reset_offset(struct sk_buff *skb)
+static void skb_gro_reset_offset(struct sk_buff *skb)
{
+ const struct skb_shared_info *pinfo = skb_shinfo(skb);
+ const skb_frag_t *frag0 = &pinfo->frags[0];
+
NAPI_GRO_CB(skb)->data_offset = 0;
NAPI_GRO_CB(skb)->frag0 = NULL;
NAPI_GRO_CB(skb)->frag0_len = 0;
if (skb->mac_header == skb->tail &&
- !PageHighMem(skb_frag_page(&skb_shinfo(skb)->frags[0]))) {
- NAPI_GRO_CB(skb)->frag0 =
- skb_frag_address(&skb_shinfo(skb)->frags[0]);
- NAPI_GRO_CB(skb)->frag0_len = skb_frag_size(&skb_shinfo(skb)->frags[0]);
+ pinfo->nr_frags &&
+ !PageHighMem(skb_frag_page(frag0))) {
+ NAPI_GRO_CB(skb)->frag0 = skb_frag_address(frag0);
+ NAPI_GRO_CB(skb)->frag0_len = skb_frag_size(frag0);
}
}
-EXPORT_SYMBOL(skb_gro_reset_offset);
gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
{
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