diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2018-07-30 15:38:37 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-08-07 00:46:55 +0300 |
| commit | f8ad8aa551af812adf2ba49a554c73cc9daa8d36 (patch) | |
| tree | 8ef6c77427c37a99f59309f8f7e1a0ad446e97de /drivers/gpio | |
| parent | d124339da78d1f3b97d1dfa01dc4b52fca2f28e0 (diff) | |
| download | linux-f8ad8aa551af812adf2ba49a554c73cc9daa8d36.tar.xz | |
gpio: vr41xx: Bail out on gpiochip_lock_as_irq() error
gpiochip_lock_as_irq() may return a few error codes,
bail out if it fails with corresponding returned code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-vr41xx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c index ac8deb01f6f6..027699cec911 100644 --- a/drivers/gpio/gpio-vr41xx.c +++ b/drivers/gpio/gpio-vr41xx.c @@ -138,10 +138,16 @@ static void unmask_giuint_low(struct irq_data *d) static unsigned int startup_giuint(struct irq_data *data) { - if (gpiochip_lock_as_irq(&vr41xx_gpio_chip, data->hwirq)) + int ret; + + ret = gpiochip_lock_as_irq(&vr41xx_gpio_chip, irqd_to_hwirq(data)); + if (ret) { dev_err(vr41xx_gpio_chip.parent, "unable to lock HW IRQ %lu for IRQ\n", data->hwirq); + return ret; + } + /* Satisfy the .enable semantics by unmasking the line */ unmask_giuint_low(data); return 0; |