From: Eric W. Biederman <ebiederm@xmission.com>
Date: Sun, 16 Mar 2014 01:22:47 +0000 (-0700)
Subject: via-rhine: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
X-Git-Tag: v3.15-rc1~113^2~96^2~8
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4b3afc6e386bdacbce8326afcf8040a632050d3a;p=karo-tx-linux.git

via-rhine: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in rhine_start_tx which
can be called in hard irq and other contexts.  Packets are only freed
in rhine_start_tx if they are dropped.

Replace dev_kfree_skb with dev_consume_skb_any in rhine_tx that can be
called in hard irq and other contexts.  rhine_tx handles successfully
transmitted packets.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---

diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 9d93fa120578..ce2e4d14ab31 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -1676,7 +1676,7 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb,
 		/* Must use alignment buffer. */
 		if (skb->len > PKT_BUF_SZ) {
 			/* packet too long, drop it */
-			dev_kfree_skb(skb);
+			dev_kfree_skb_any(skb);
 			rp->tx_skbuff[entry] = NULL;
 			dev->stats.tx_dropped++;
 			return NETDEV_TX_OK;
@@ -1696,7 +1696,7 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb,
 			pci_map_single(rp->pdev, skb->data, skb->len,
 				       PCI_DMA_TODEVICE);
 		if (dma_mapping_error(&rp->pdev->dev, rp->tx_skbuff_dma[entry])) {
-			dev_kfree_skb(skb);
+			dev_kfree_skb_any(skb);
 			rp->tx_skbuff_dma[entry] = 0;
 			dev->stats.tx_dropped++;
 			return NETDEV_TX_OK;
@@ -1834,7 +1834,7 @@ static void rhine_tx(struct net_device *dev)
 					 rp->tx_skbuff[entry]->len,
 					 PCI_DMA_TODEVICE);
 		}
-		dev_kfree_skb(rp->tx_skbuff[entry]);
+		dev_consume_skb_any(rp->tx_skbuff[entry]);
 		rp->tx_skbuff[entry] = NULL;
 		entry = (++rp->dirty_tx) % TX_RING_SIZE;
 	}