[PATCH] net: tc35815: move free after the dereference

[Dan Carpenter]

We dereference "skb" to get "skb->len" so we should probably do that
step before freeing the skb.

Fixes: eea221ce4880 ("tc35815 driver update (take 2)")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/net/ethernet/toshiba/tc35815.c 
b/drivers/net/ethernet/toshiba/tc35815.c
index ad6db05b97d6..d9db8a06afd2 100644
--- a/drivers/net/ethernet/toshiba/tc35815.c
+++ b/drivers/net/ethernet/toshiba/tc35815.c
@@ -1017,8 +1017,8 @@ tc35815_free_queues(struct net_device *dev)
                        BUG_ON(lp->tx_skbs[i].skb != skb);
 #endif
                        if (skb) {
-                               dev_kfree_skb(skb);
                                pci_unmap_single(lp->pci_dev, 
lp->tx_skbs[i].skb_dma, skb->len, PCI_DMA_TODEVICE);
+                               dev_kfree_skb(skb);
                                lp->tx_skbs[i].skb = NULL;
                                lp->tx_skbs[i].skb_dma = 0;
                        }