diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2020-10-31 11:10:53 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-02 17:19:59 -0800 |
| commit | 9621618130bf7e83635367c13b9a6ee53935bb37 (patch) | |
| tree | 497a8051cd10359ac9e0dd217a15aae3d7801393 /drivers/net/phy/sfp.c | |
| parent | 1d8504937478fdc2f3ef2174a816fd3302eca882 (diff) | |
| download | linux-stable-9621618130bf7e83635367c13b9a6ee53935bb37.tar.gz linux-stable-9621618130bf7e83635367c13b9a6ee53935bb37.tar.bz2 linux-stable-9621618130bf7e83635367c13b9a6ee53935bb37.zip | |
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@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>
Diffstat (limited to 'drivers/net/phy/sfp.c')
| -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 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; } |