From mboxrd@z Thu Jan 1 00:00:00 1970 From: b.zolnierkie@samsung.com (Bartlomiej Zolnierkiewicz) Date: Fri, 14 Mar 2014 18:33:13 +0100 Subject: [PATCH] ata: pata_imx: fix devm_ioremap_resource() return value checking Message-ID: <2050303.yEm1sTq1hQ@amdc1032> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org devm_ioremap_resource() returns a pointer to the remapped memory or an ERR_PTR() encoded error code on failure. Fix the check inside pata_imx_probe() accordingly. Signed-off-by: Bartlomiej Zolnierkiewicz --- Compile tested only. drivers/ata/pata_imx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: b/drivers/ata/pata_imx.c =================================================================== --- a/drivers/ata/pata_imx.c 2014-03-14 16:45:04.260724378 +0100 +++ b/drivers/ata/pata_imx.c 2014-03-14 18:23:38.664623530 +0100 @@ -133,8 +133,8 @@ static int pata_imx_probe(struct platfor io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); priv->host_regs = devm_ioremap_resource(&pdev->dev, io_res); - if (!priv->host_regs) { - ret = -EBUSY; + if (IS_ERR(priv->host_regs)) { + ret = PTR_ERR(priv->host_regs); goto err; }