sh_eth: kill useless initializers

Some of the local variable intializers in the driver turned out to be
pointless,  kill 'em.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 2e9a781..8385d92 100644 (file)
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -447,8 +447,8 @@ static bool sh_eth_is_rz_fast_ether(struct sh_eth_private *mdp)
 
 static void sh_eth_select_mii(struct net_device *ndev)
 {
-       u32 value = 0x0;
        struct sh_eth_private *mdp = netdev_priv(ndev);
+       u32 value;
 
        switch (mdp->phy_interface) {
        case PHY_INTERFACE_MODE_GMII:
@@ -1231,8 +1231,8 @@ ring_free:
 
 static int sh_eth_dev_init(struct net_device *ndev, bool start)
 {
-       int ret = 0;
        struct sh_eth_private *mdp = netdev_priv(ndev);
+       int ret;
 
        /* Soft Reset */
        ret = sh_eth_reset(ndev);
@@ -1355,7 +1355,7 @@ static int sh_eth_txfree(struct net_device *ndev)
        struct sh_eth_private *mdp = netdev_priv(ndev);
        struct sh_eth_txdesc *txdesc;
        int free_num = 0;
-       int entry = 0;
+       int entry;
 
        for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) {
                entry = mdp->dirty_tx % mdp->num_tx_ring;
@@ -1396,10 +1396,10 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
        int boguscnt = (mdp->dirty_rx + mdp->num_rx_ring) - mdp->cur_rx;
        int limit;
        struct sk_buff *skb;
-       u16 pkt_len = 0;
        u32 desc_status;
        int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
        dma_addr_t dma_addr;
+       u16 pkt_len;
        u32 buf_len;
 
        boguscnt = min(boguscnt, *quota);
@@ -1778,7 +1778,7 @@ static int sh_eth_phy_init(struct net_device *ndev)
 {
        struct device_node *np = ndev->dev.parent->of_node;
        struct sh_eth_private *mdp = netdev_priv(ndev);
-       struct phy_device *phydev = NULL;
+       struct phy_device *phydev;
 
        mdp->link = 0;
        mdp->speed = 0;
@@ -2232,8 +2232,8 @@ static const struct ethtool_ops sh_eth_ethtool_ops = {
 /* network device open function */
 static int sh_eth_open(struct net_device *ndev)
 {
-       int ret = 0;
        struct sh_eth_private *mdp = netdev_priv(ndev);
+       int ret;
 
        pm_runtime_get_sync(&mdp->pdev->dev);
 
@@ -2988,12 +2988,12 @@ static inline struct sh_eth_plat_data *sh_eth_parse_dt(struct device *dev)
 
 static int sh_eth_drv_probe(struct platform_device *pdev)
 {
-       int ret, devno = 0;
        struct resource *res;
-       struct net_device *ndev = NULL;
-       struct sh_eth_private *mdp = NULL;
        struct sh_eth_plat_data *pd = dev_get_platdata(&pdev->dev);
        const struct platform_device_id *id = platform_get_device_id(pdev);
+       struct sh_eth_private *mdp;
+       struct net_device *ndev;
+       int ret, devno;
 
        /* get base addr */
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);