niu: fix skb truesize underestimation

Add a 'truesize' argument to niu_rx_skb_append(), filled with rcr_size
by the caller to properly account frag sizes in skb->truesize

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index d1338885dc8b30814a1dec36750ce87953f3bde7..23740e848ac9ebbe7d4f0125c3033267f98cb4fc 100644 (file)
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -3287,17 +3287,13 @@ static u16 tcam_get_valid_entry_cnt(struct niu *np)
 }
 
 static void niu_rx_skb_append(struct sk_buff *skb, struct page *page,
-                             u32 offset, u32 size)
+                             u32 offset, u32 size, u32 truesize)
 {
-       int i = skb_shinfo(skb)->nr_frags;
-
-       __skb_fill_page_desc(skb, i, page, offset, size);
+       skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, page, offset, size);
 
        skb->len += size;
        skb->data_len += size;
-       skb->truesize += size;
-
-       skb_shinfo(skb)->nr_frags = i + 1;
+       skb->truesize += truesize;
 }
 
 static unsigned int niu_hash_rxaddr(struct rx_ring_info *rp, u64 a)
@@ -3480,7 +3476,7 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
                } else if (!(val & RCR_ENTRY_MULTI))
                        append_size = len - skb->len;
 
-               niu_rx_skb_append(skb, page, off, append_size);
+               niu_rx_skb_append(skb, page, off, append_size, rcr_size);
                if ((page->index + rp->rbr_block_size) - rcr_size == addr) {
                        *link = (struct page *) page->mapping;
                        np->ops->unmap_page(np->device, page->index,