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sh_eth: remove checks around dev_kfree_skb() calls

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Since consume_skb() (and hence dev_kfree_skb() macro) checks the passed pointer
for NULL, there's no need to check for NULL before invoking dev_kfree_skb().

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sergei Shtylyov 2014-06-28 04:10:00 +04:00 committed by David S. Miller
parent 236294774e
commit 179d80aff8
1 changed files with 6 additions and 12 deletions
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18
drivers/net/ethernet/renesas/sh_eth.c
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@ -1094,20 +1094,16 @@ static void sh_eth_ring_free(struct net_device *ndev)
/* Free Rx skb ringbuffer */
if (mdp->rx_skbuff) {
for (i = 0; i < mdp->num_rx_ring; i++) {
if (mdp->rx_skbuff[i])
dev_kfree_skb(mdp->rx_skbuff[i]);
}
for (i = 0; i < mdp->num_rx_ring; i++)
dev_kfree_skb(mdp->rx_skbuff[i]);
}
kfree(mdp->rx_skbuff);
mdp->rx_skbuff = NULL;
/* Free Tx skb ringbuffer */
if (mdp->tx_skbuff) {
for (i = 0; i < mdp->num_tx_ring; i++) {
if (mdp->tx_skbuff[i])
dev_kfree_skb(mdp->tx_skbuff[i]);
}
for (i = 0; i < mdp->num_tx_ring; i++)
dev_kfree_skb(mdp->tx_skbuff[i]);
}
kfree(mdp->tx_skbuff);
mdp->tx_skbuff = NULL;
@ -2077,13 +2073,11 @@ static void sh_eth_tx_timeout(struct net_device *ndev)
rxdesc = &mdp->rx_ring[i];
rxdesc->status = 0;
rxdesc->addr = 0xBADF00D0;
if (mdp->rx_skbuff[i])
dev_kfree_skb(mdp->rx_skbuff[i]);
dev_kfree_skb(mdp->rx_skbuff[i]);
mdp->rx_skbuff[i] = NULL;
}
for (i = 0; i < mdp->num_tx_ring; i++) {
if (mdp->tx_skbuff[i])
dev_kfree_skb(mdp->tx_skbuff[i]);
dev_kfree_skb(mdp->tx_skbuff[i]);
mdp->tx_skbuff[i] = NULL;
}