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sfp: Fix error handing in sfp_probe() 

gpiod_to_irq() never return 0, but returns negative in
case of error, check it and set gpio_irq to 0.

Fixes: 7397005545 ("sfp: add SFP module support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20201031031053.25264-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
YueHaibing 2020-10-31 11:10:53 +08:00 committed by Jakub Kicinski
parent 1d85049374
commit 9621618130
1 changed files with 2 additions and 1 deletions
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3
drivers/net/phy/sfp.c
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@ -2389,7 +2389,8 @@ static int sfp_probe(struct platform_device *pdev)
continue; continue;
sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]); sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]);
if (!sfp->gpio_irq[i]) { if (sfp->gpio_irq[i] < 0) {
sfp->gpio_irq[i] = 0;
sfp->need_poll = true; sfp->need_poll = true;
continue; continue;
} }