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>

1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index d1338885dc8b..23740e848ac9 100644
--- 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,