net: stmmac: Fix the packet count in stmmac_rx()

Currently, stmmac_rx() is counting the number of descriptors but it
should count the number of packets as specified by the NAPI limit.

Fix this.

Fixes: ec222003bd94 ("net: stmmac: Prepare to add Split Header support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 4e9c848..1ab1eea 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3506,8 +3506,6 @@ read_again:
                if (unlikely(status & dma_own))
                        break;
 
-               count++;
-
                rx_q->cur_rx = STMMAC_GET_ENTRY(rx_q->cur_rx, DMA_RX_SIZE);
                next_entry = rx_q->cur_rx;
 
@@ -3534,6 +3532,7 @@ read_again:
                        goto read_again;
                if (unlikely(error)) {
                        dev_kfree_skb(skb);
+                       count++;
                        continue;
                }
 
@@ -3573,6 +3572,7 @@ read_again:
                        skb = napi_alloc_skb(&ch->rx_napi, len);
                        if (!skb) {
                                priv->dev->stats.rx_dropped++;
+                               count++;
                                continue;
                        }
 
@@ -3638,6 +3638,7 @@ read_again:
 
                priv->dev->stats.rx_packets++;
                priv->dev->stats.rx_bytes += len;
+               count++;
        }
 
        if (status & rx_not_ls) {