spi: rb4xx: Fix checking return value of devm_ioremap_resource()
authorAxel Lin <axel.lin@ingics.com>
Thu, 30 Apr 2015 02:06:54 +0000 (10:06 +0800)
committerMark Brown <broonie@kernel.org>
Fri, 1 May 2015 16:35:54 +0000 (17:35 +0100)
devm_ioremap_resource() returns ERR_PTR on failure.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-rb4xx.c

index 50f49f38e73c5e5f006f0a0d7c1f99df87157dd6..3641d0e20135b3794bc33428e7c29d7dace51405 100644 (file)
@@ -145,7 +145,7 @@ static int rb4xx_spi_probe(struct platform_device *pdev)
 
        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        spi_base = devm_ioremap_resource(&pdev->dev, r);
-       if (!spi_base)
+       if (IS_ERR(spi_base))
                return PTR_ERR(spi_base);
 
        master = spi_alloc_master(&pdev->dev, sizeof(*rbspi));