diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2020-10-31 11:10:53 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-10 12:37:26 +0100 |
| commit | e5ea79bb19f8f8ff57abb14ce20bfad7d1531935 (patch) | |
| tree | ec6919a4bda8f53f76a47f085418d10544f3d96d /drivers | |
| parent | 9b5458effeeefa503dab92fc397bb9d0230c8db1 (diff) | |
sfp: Fix error handing in sfp_probe()
[ Upstream commit 9621618130bf7e83635367c13b9a6ee53935bb37 ]
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@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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/sfp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 272d5773573e..27b67f12ec45 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -1970,7 +1970,8 @@ 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; poll = true; continue; } |