diff options
| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2015-11-04 00:17:08 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-05 04:59:07 +0300 |
| commit | 91d80683fc1828141e87babbd01f40e408864914 (patch) | |
| tree | 190e1d75f782b2e4c19a9400caf6b94d303cd07e /drivers | |
| parent | 1f71e8c96fc654724723ce987e0a8b2aeb81746d (diff) | |
| download | linux-91d80683fc1828141e87babbd01f40e408864914.tar.xz | |
sh_eth: kill 'ret' variable in sh_eth_ring_init()
The 'ret' local variable in sh_eth_ring_init() serves no useful purpose as
the only values it gets assigned are 0 and -ENOMEM both of which could be
returned directly...
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/renesas/sh_eth.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 6150a235b72c..1477f9c7051b 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1199,7 +1199,7 @@ static void sh_eth_ring_format(struct net_device *ndev) static int sh_eth_ring_init(struct net_device *ndev) { struct sh_eth_private *mdp = netdev_priv(ndev); - int rx_ringsize, tx_ringsize, ret = 0; + int rx_ringsize, tx_ringsize; /* +26 gets the maximum ethernet encapsulation, +7 & ~7 because the * card needs room to do 8 byte alignment, +2 so we can reserve @@ -1214,26 +1214,20 @@ static int sh_eth_ring_init(struct net_device *ndev) /* Allocate RX and TX skb rings */ mdp->rx_skbuff = kcalloc(mdp->num_rx_ring, sizeof(*mdp->rx_skbuff), GFP_KERNEL); - if (!mdp->rx_skbuff) { - ret = -ENOMEM; - return ret; - } + if (!mdp->rx_skbuff) + return -ENOMEM; mdp->tx_skbuff = kcalloc(mdp->num_tx_ring, sizeof(*mdp->tx_skbuff), GFP_KERNEL); - if (!mdp->tx_skbuff) { - ret = -ENOMEM; + if (!mdp->tx_skbuff) goto skb_ring_free; - } /* Allocate all Rx descriptors. */ rx_ringsize = sizeof(struct sh_eth_rxdesc) * mdp->num_rx_ring; mdp->rx_ring = dma_alloc_coherent(NULL, rx_ringsize, &mdp->rx_desc_dma, GFP_KERNEL); - if (!mdp->rx_ring) { - ret = -ENOMEM; + if (!mdp->rx_ring) goto skb_ring_free; - } mdp->dirty_rx = 0; @@ -1241,11 +1235,9 @@ static int sh_eth_ring_init(struct net_device *ndev) tx_ringsize = sizeof(struct sh_eth_txdesc) * mdp->num_tx_ring; mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma, GFP_KERNEL); - if (!mdp->tx_ring) { - ret = -ENOMEM; + if (!mdp->tx_ring) goto desc_ring_free; - } - return ret; + return 0; desc_ring_free: /* free DMA buffer */ @@ -1257,7 +1249,7 @@ skb_ring_free: mdp->tx_ring = NULL; mdp->rx_ring = NULL; - return ret; + return -ENOMEM; } static void sh_eth_free_dma_buffer(struct sh_eth_private *mdp) |