[PATCH] usb: bdc: Fix return value of bdc_probe()

[Tiezhu Yang]

When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Fixes: 893a66d34298 ("usb: bdc: use devm_platform_ioremap_resource() to 
simplify code")
Signed-off-by: Tiezhu Yang <yangtie...@loongson.cn>
---
 drivers/usb/gadget/udc/bdc/bdc_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c 
b/drivers/usb/gadget/udc/bdc/bdc_core.c
index 02a3a77..c48fdd3 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_core.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_core.c
@@ -510,7 +510,7 @@ static int bdc_probe(struct platform_device *pdev)
        bdc->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(bdc->regs)) {
                dev_err(dev, "ioremap error\n");
-               return -ENOMEM;
+               return PTR_ERR(bdc->regs);
        }
        irq = platform_get_irq(pdev, 0);
        if (irq < 0)
-- 
2.1.0