ar71xx: only access device stats in tx handler if packets were processed

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
index e8eb632c772094ad16c023d0b3e1649b1dd62cd5..72e6b32c639f39233cf76a0218886e87966dbafa 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
@@ -999,12 +999,12 @@ static int ag71xx_tx_packets(struct ag71xx *ag, bool flush)
 
        DBG("%s: %d packets sent out\n", ag->dev->name, sent);
 
-       ag->dev->stats.tx_bytes += bytes_compl;
-       ag->dev->stats.tx_packets += sent;
-
        if (!sent)
                return 0;
 
+       ag->dev->stats.tx_bytes += bytes_compl;
+       ag->dev->stats.tx_packets += sent;
+
        netdev_completed_queue(ag->dev, sent, bytes_compl);
        if ((ring->curr - ring->dirty) < (ring_size * 3) / 4)
                netif_wake_queue(ag->dev);