diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index b256ff5b657..d9f45c821ac 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -4097,6 +4097,9 @@ static int mv_platform_probe(struct platform_device *pdev) host->iomap = NULL; hpriv->base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!hpriv->base) + return -ENOMEM; + hpriv->base -= SATAHC0_REG_BASE; #if defined(CONFIG_HAVE_CLK)