diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-09-06 14:50:21 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2022-09-08 11:34:27 +0300 |
| commit | 6323f916686d4e9d299a53114b28ecaf833422cd (patch) | |
| tree | ab977127d497e74f152d1c438a44d03c82b8c8f5 /drivers/pinctrl/pinctrl-microchip-sgpio.c | |
| parent | 8c943137c00a773ece8d324862910d53832a97a1 (diff) | |
| download | linux-6323f916686d4e9d299a53114b28ecaf833422cd.tar.xz | |
pinctrl: microchip-sgpio: Correct the fwnode_irq_get() return value check
fwnode_irq_get() may return all possible signed values, such as Linux
error code. Fix the code to handle this properly.
Fixes: be2dc859abd4 ("pinctrl: pinctrl-microchip-sgpio: Add irq support (for sparx5)")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20220906115021.8661-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-microchip-sgpio.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-microchip-sgpio.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pinctrl/pinctrl-microchip-sgpio.c b/drivers/pinctrl/pinctrl-microchip-sgpio.c index 6f55bf7d5e05..0771b743a940 100644 --- a/drivers/pinctrl/pinctrl-microchip-sgpio.c +++ b/drivers/pinctrl/pinctrl-microchip-sgpio.c @@ -864,9 +864,10 @@ static int microchip_sgpio_register_bank(struct device *dev, gc->can_sleep = !bank->is_input; if (bank->is_input && priv->properties->flags & SGPIO_FLAGS_HAS_IRQ) { - int irq = fwnode_irq_get(fwnode, 0); + int irq; - if (irq) { + irq = fwnode_irq_get(fwnode, 0); + if (irq > 0) { struct gpio_irq_chip *girq = &gc->irq; gpio_irq_chip_set_chip(girq, µchip_sgpio_irqchip); |