OSDN Git Service

sh_eth: Remove goto statements that jump straight to a return
authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Thu, 20 Mar 2014 14:00:35 +0000 (15:00 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 20 Mar 2014 21:22:10 +0000 (17:22 -0400)
"goto" is well accepted for error paths in the kernel but should not be
used unnecessarily. Return the correct value directly instead of using a
goto when possible.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/renesas/sh_eth.c

index ace6da2..e4bff18 100644 (file)
@@ -873,7 +873,7 @@ static int sh_eth_reset(struct net_device *ndev)
 
                ret = sh_eth_check_reset(ndev);
                if (ret)
-                       goto out;
+                       return ret;
 
                /* Table Init */
                sh_eth_write(ndev, 0x0, TDLAR);
@@ -900,7 +900,6 @@ static int sh_eth_reset(struct net_device *ndev)
                             EDMR);
        }
 
-out:
        return ret;
 }
 
@@ -1264,7 +1263,7 @@ static int sh_eth_dev_init(struct net_device *ndev, bool start)
        /* Soft Reset */
        ret = sh_eth_reset(ndev);
        if (ret)
-               goto out;
+               return ret;
 
        if (mdp->cd->rmiimode)
                sh_eth_write(ndev, 0x1, RMIIMODE);
@@ -1343,7 +1342,6 @@ static int sh_eth_dev_init(struct net_device *ndev, bool start)
                netif_start_queue(ndev);
        }
 
-out:
        return ret;
 }
 
@@ -2605,10 +2603,8 @@ static int sh_mdio_init(struct sh_eth_private *mdp,
 
        /* create bit control struct for PHY */
        bitbang = devm_kzalloc(dev, sizeof(struct bb_info), GFP_KERNEL);
-       if (!bitbang) {
-               ret = -ENOMEM;
-               goto out;
-       }
+       if (!bitbang)
+               return -ENOMEM;
 
        /* bitbang init */
        bitbang->addr = mdp->addr + mdp->reg_offset[PIR];
@@ -2621,10 +2617,8 @@ static int sh_mdio_init(struct sh_eth_private *mdp,
 
        /* MII controller setting */
        mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl);
-       if (!mdp->mii_bus) {
-               ret = -ENOMEM;
-               goto out;
-       }
+       if (!mdp->mii_bus)
+               return -ENOMEM;
 
        /* Hook up MII support for ethtool */
        mdp->mii_bus->name = "sh_mii";
@@ -2659,8 +2653,6 @@ static int sh_mdio_init(struct sh_eth_private *mdp,
 
 out_free_bus:
        free_mdio_bitbang(mdp->mii_bus);
-
-out:
        return ret;
 }
 
@@ -2773,15 +2765,12 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (unlikely(res == NULL)) {
                dev_err(&pdev->dev, "invalid resource\n");
-               ret = -EINVAL;
-               goto out;
+               return -EINVAL;
        }
 
        ndev = alloc_etherdev(sizeof(struct sh_eth_private));
-       if (!ndev) {
-               ret = -ENOMEM;
-               goto out;
-       }
+       if (!ndev)
+               return -ENOMEM;
 
        /* The sh Ether-specific entries in the device structure. */
        ndev->base_addr = res->start;
@@ -2922,7 +2911,6 @@ out_release:
        if (ndev)
                free_netdev(ndev);
 
-out:
        return ret;
 }