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usb: gadget: Fix return value check in r8a66597_probe() 

In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Wei Yongjun 2014-07-20 11:41:53 +08:00 committed by Felipe Balbi
parent 7042e8f2f6
commit 4b11f88821
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/gadget/udc/r8a66597-udc.c
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@ -1868,8 +1868,8 @@ static int r8a66597_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
reg = devm_ioremap_resource(&pdev->dev, res); reg = devm_ioremap_resource(&pdev->dev, res);
if (!reg) if (IS_ERR(reg))
return -ENODEV; return PTR_ERR(reg);
ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
irq = ires->start; irq = ires->start;