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usb: gadget: fsl: Fix a wrong judgment in fsl_udc_probe()

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If the function "platform_get_irq()" failed, the negative value
returned will not be detected here, including "-EPROBE_DEFER", which
causes the application to fail to get the correct error message.
Thus it must be fixed.

Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Signed-off-by: Shengju Zhang <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
Tang Bin 2020-04-10 09:58:32 +08:00 committed by Felipe Balbi
parent 44734a5941
commit 4cda340a45
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/gadget/udc/fsl_udc_core.c
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@ -2440,8 +2440,8 @@ static int fsl_udc_probe(struct platform_device *pdev)
udc_controller->max_ep = (dccparams & DCCPARAMS_DEN_MASK) * 2;
udc_controller->irq = platform_get_irq(pdev, 0);
if (!udc_controller->irq) {
ret = -ENODEV;
if (udc_controller->irq <= 0) {
ret = udc_controller->irq ? : -ENODEV;
goto err_iounmap;
}