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usb: cdns3: remove dead code

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Smatch reports the following error:

drivers/usb/cdns3/cdns3-plat.c:113 cdns3_plat_probe() warn:
platform_get_irq() does not return zero

From the document, platform_get_irq_byname_optional only returns
non-zero value, and negative value on failure.

Fix this by removing the zero value checking.

Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Link: https://lore.kernel.org/r/20220926135922.24541-1-dzm91@hust.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dongliang Mu 2022-09-26 21:59:21 +08:00 committed by Greg Kroah-Hartman
parent 1abf6ab490
commit 29afbe5f5a
1 changed files with 0 additions and 2 deletions
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2
drivers/usb/cdns3/cdns3-plat.c
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@ -110,8 +110,6 @@ static int cdns3_plat_probe(struct platform_device *pdev)
cdns->wakeup_irq = platform_get_irq_byname_optional(pdev, "wakeup");
if (cdns->wakeup_irq == -EPROBE_DEFER)
return cdns->wakeup_irq;
else if (cdns->wakeup_irq == 0)
return -EINVAL;
if (cdns->wakeup_irq < 0) {
dev_dbg(dev, "couldn't get wakeup irq\n");