dmaengine: ti-dma-crossbar: Fix checking return value of devm_ioremap_resource

[firefly-linux-kernel-4.4.55.git] / drivers / dma / ti-dma-crossbar.c

diff --git a/drivers/dma/ti-dma-crossbar.c b/drivers/dma/ti-dma-crossbar.c
index 10487d91e60d452505d775dfb72a3d4c12f593c2..5cce8c9d00265bd41e556e991ad3d374431c9f0b 100644 (file)
--- a/drivers/dma/ti-dma-crossbar.c
+++ b/drivers/dma/ti-dma-crossbar.c
@@ -162,12 +162,9 @@ static int ti_dma_xbar_probe(struct platform_device *pdev)
                xbar->safe_val = (u16)safe_val;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res)
-               return -ENODEV;
-
        iomem = devm_ioremap_resource(&pdev->dev, res);
-       if (!iomem)
-               return -ENOMEM;
+       if (IS_ERR(iomem))
+               return PTR_ERR(iomem);
 
        xbar->iomem = iomem;