From: Paolo Abeni <pabeni@redhat.com>
Date: Wed, 20 Jul 2016 16:11:31 +0000 (+0200)
Subject: gro_cells: gro_cells_receive now return error code
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5f652bb2eb3eb38f97194ce5c41da1fa12e914b8;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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>
---

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 */