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-rw-r--r--target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
index ebf95a6533..8cd3d0e6b6 100644
--- a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
+++ b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
@@ -809,7 +809,11 @@ static int nuport_mac_open(struct net_device *dev)
nuport_mac_reset_rx_dma(priv);
/* Start RX DMA */
- return nuport_mac_start_rx_dma(priv, priv->rx_skb[0]);
+ spin_lock_irqsave(&priv->lock, flags);
+ ret = nuport_mac_start_rx_dma(priv, priv->rx_skb[0]);
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ return ret;
out_rx_skb:
nuport_mac_free_rx_ring(priv);