GRO: fix merging a paged skb after non-paged skbs

[platform/adaptation/renesas_rcar/renesas_kernel.git] / net / core / skbuff.c

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index d31bb36..7cd1bc8 100644 (file)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2744,8 +2744,12 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
 
 merge:
        if (offset > headlen) {
-               skbinfo->frags[0].page_offset += offset - headlen;
-               skbinfo->frags[0].size -= offset - headlen;
+               unsigned int eat = offset - headlen;
+
+               skbinfo->frags[0].page_offset += eat;
+               skbinfo->frags[0].size -= eat;
+               skb->data_len -= eat;
+               skb->len -= eat;
                offset = headlen;
        }