From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> To: netdev@vger.kernel.org Cc: linux-sh@vger.kernel.org, Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>, Ben Dooks <ben.dooks@codethink.co.uk> Subject: [PATCH 5/5] sh_eth: Remove goto statements that jump straight to a return Date: Thu, 20 Mar 2014 13:59:02 +0000 [thread overview] Message-ID: <1395324035-22918-6-git-send-email-laurent.pinchart+renesas@ideasonboard.com> (raw) In-Reply-To: <1395324035-22918-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> "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> --- drivers/net/ethernet/renesas/sh_eth.c | 30 +++++++++--------------------- 1 file changed, 9 insertions(+), 21 deletions(-) diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index ace6da2..e4bff18 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -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; } -- 1.8.3.2
WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> To: netdev@vger.kernel.org Cc: linux-sh@vger.kernel.org, Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>, Ben Dooks <ben.dooks@codethink.co.uk> Subject: [PATCH 5/5] sh_eth: Remove goto statements that jump straight to a return Date: Thu, 20 Mar 2014 15:00:35 +0100 [thread overview] Message-ID: <1395324035-22918-6-git-send-email-laurent.pinchart+renesas@ideasonboard.com> (raw) In-Reply-To: <1395324035-22918-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> "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> --- drivers/net/ethernet/renesas/sh_eth.c | 30 +++++++++--------------------- 1 file changed, 9 insertions(+), 21 deletions(-) diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index ace6da2..e4bff18 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -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; } -- 1.8.3.2
next prev parent reply other threads:[~2014-03-20 13:59 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-03-20 13:58 [PATCH 0/5] sh_eth: Fix the race between open and MDIO bus registration Laurent Pinchart 2014-03-20 14:00 ` Laurent Pinchart 2014-03-20 13:59 ` Laurent Pinchart [this message] 2014-03-20 14:00 ` [PATCH 5/5] sh_eth: Remove goto statements that jump straight to a return Laurent Pinchart 2014-03-20 13:59 ` [PATCH 4/5] sh_eth: Register MDIO bus before registering the network device Laurent Pinchart 2014-03-20 14:00 ` Laurent Pinchart 2014-03-20 13:59 ` [PATCH 1/5] sh_eth: Use the platform device for memory allocation Laurent Pinchart 2014-03-20 14:00 ` Laurent Pinchart 2014-03-20 13:59 ` [PATCH 2/5] sh_eth: Use the platform device as the MDIO bus parent Laurent Pinchart 2014-03-20 14:00 ` Laurent Pinchart 2014-03-20 13:59 ` [PATCH 3/5] sh_eth: Simplify MDIO bus initialization and release Laurent Pinchart 2014-03-20 14:00 ` Laurent Pinchart 2014-03-20 15:31 ` Sergei Shtylyov 2014-03-20 15:31 ` Sergei Shtylyov 2014-03-20 21:22 ` [PATCH 0/5] sh_eth: Fix the race between open and MDIO bus registration David Miller 2014-03-20 21:22 ` David Miller
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