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sfp: Fix error handing in sfp_probe()

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[ Upstream commit 9621618130 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
YueHaibing
2020-10-31 11:10:53 +08:00
committed by Greg Kroah-Hartman
parent 64752f5cfd
commit 4ff840604a
1 changed files with 2 additions and 1 deletions
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3
drivers/net/phy/sfp.c
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@@ -1886,7 +1886,8 @@ static int sfp_probe(struct platform_device *pdev)
continue;
irq = gpiod_to_irq(sfp->gpio[i]);
if (!irq) {
if (irq < 0) {
irq = 0;
poll = true;
continue;
}