From: Bartlomiej Zolnierkiewicz Date: Fri, 14 Mar 2014 17:22:09 +0000 (+0100) Subject: ata: ahci_platform: fix devm_ioremap_resource() return value checking X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=5434b203156ef245b7847128c446c5b54f12a6d4;p=openwrt%2Fstaging%2Fblogic.git ata: ahci_platform: fix devm_ioremap_resource() return value checking devm_ioremap_resource() returns a pointer to the remapped memory or an ERR_PTR() encoded error code on failure. Fix the check inside ahci_platform_get_resources() accordingly. Also while at it remove a needless line break. Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Tejun Heo --- diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index db24d2a08051..70fbf664a73c 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -199,8 +199,7 @@ static void ahci_platform_put_resources(struct device *dev, void *res) * RETURNS: * The allocated ahci_host_priv on success, otherwise an ERR_PTR value */ -struct ahci_host_priv *ahci_platform_get_resources( - struct platform_device *pdev) +struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ahci_host_priv *hpriv; @@ -219,8 +218,9 @@ struct ahci_host_priv *ahci_platform_get_resources( hpriv->mmio = devm_ioremap_resource(dev, platform_get_resource(pdev, IORESOURCE_MEM, 0)); - if (!hpriv->mmio) { + if (IS_ERR(hpriv->mmio)) { dev_err(dev, "no mmio space\n"); + rc = PTR_ERR(hpriv->mmio); goto err_out; }