gro_cells: gro_cells_receive now return error code

so that the caller can update stats accordingly, if needed

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 6 deletions

diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h
index cf6c74550baa..d15214d673b2 100644
--- a/include/net/gro_cells.h
+++ b/include/net/gro_cells.h
@@ -14,27 +14,26 @@ struct gro_cells {
         struct gro_cell __percpu        *cells;
 };
 
-static inline void gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb)
+static inline int gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb)
 {
         struct gro_cell *cell;
         struct net_device *dev = skb->dev;
 
-        if (!gcells->cells || skb_cloned(skb) || !(dev->features & NETIF_F_GRO)) {
-                netif_rx(skb);
-                return;
-        }
+        if (!gcells->cells || skb_cloned(skb) || !(dev->features & NETIF_F_GRO))
+                return netif_rx(skb);
 
         cell = this_cpu_ptr(gcells->cells);
 
         if (skb_queue_len(&cell->napi_skbs) > netdev_max_backlog) {
                 atomic_long_inc(&dev->rx_dropped);
                 kfree_skb(skb);
-                return;
+                return NET_RX_DROP;
         }
 
         __skb_queue_tail(&cell->napi_skbs, skb);
         if (skb_queue_len(&cell->napi_skbs) == 1)
                 napi_schedule(&cell->napi);
+        return NET_RX_SUCCESS;
 }
 
 /* called under BH context */