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Date: Sat, 31 Oct 2020 11:10:53 +0800 From: YueHaibing <yuehaibing@...wei.com> To: <linux@...linux.org.uk>, <andrew@...n.ch>, <hkallweit1@...il.com>, <davem@...emloft.net>, <kuba@...nel.org> CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com> Subject: [PATCH] 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: 73970055450e ("sfp: add SFP module support") Signed-off-by: YueHaibing <yuehaibing@...wei.com> --- drivers/net/phy/sfp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 1d18c10e8f82..34aa196b7465 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -2389,7 +2389,8 @@ static int sfp_probe(struct platform_device *pdev) continue; 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; continue; } -- 2.17.1
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