diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2018-09-27 13:38:09 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-10-01 12:22:15 +0200 |
| commit | cf9af0d5786c008971148f4e06567a98f6a7f9d0 (patch) | |
| tree | a35bad0e4bdc096566aa7c6cc313dc91f0f1c341 /drivers/gpio | |
| parent | Documentation: gpio: Fix return type of gpiod_set_raw_array_value*() (diff) | |
| download | linux-cf9af0d5786c008971148f4e06567a98f6a7f9d0.tar.xz linux-cf9af0d5786c008971148f4e06567a98f6a7f9d0.zip | |
gpio: Propagate errors from gpiod_set_array_value_complex()
Internal helper function gpiod_set_array_value_complex() was changed to
return an error value, but not all gpiolib callers were updated to
propagate the new error up.
Fixes: 3027743f83f867d8 ("gpio: Remove VLA from gpiolib")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index a293f14ba75c..51dd9d601cac 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -3346,15 +3346,16 @@ EXPORT_SYMBOL_GPL(gpiod_set_raw_array_value); * This function should be called from contexts where we cannot sleep, and will * complain if the GPIO chip functions potentially sleep. */ -void gpiod_set_array_value(unsigned int array_size, - struct gpio_desc **desc_array, - struct gpio_array *array_info, - unsigned long *value_bitmap) +int gpiod_set_array_value(unsigned int array_size, + struct gpio_desc **desc_array, + struct gpio_array *array_info, + unsigned long *value_bitmap) { if (!desc_array) - return; - gpiod_set_array_value_complex(false, false, array_size, desc_array, - array_info, value_bitmap); + return -EINVAL; + return gpiod_set_array_value_complex(false, false, array_size, + desc_array, array_info, + value_bitmap); } EXPORT_SYMBOL_GPL(gpiod_set_array_value); @@ -3763,16 +3764,17 @@ void gpiod_add_lookup_tables(struct gpiod_lookup_table **tables, size_t n) * * This function is to be called from contexts that can sleep. */ -void gpiod_set_array_value_cansleep(unsigned int array_size, - struct gpio_desc **desc_array, - struct gpio_array *array_info, - unsigned long *value_bitmap) +int gpiod_set_array_value_cansleep(unsigned int array_size, + struct gpio_desc **desc_array, + struct gpio_array *array_info, + unsigned long *value_bitmap) { might_sleep_if(extra_checks); if (!desc_array) - return; - gpiod_set_array_value_complex(false, true, array_size, desc_array, - array_info, value_bitmap); + return -EINVAL; + return gpiod_set_array_value_complex(false, true, array_size, + desc_array, array_info, + value_bitmap); } EXPORT_SYMBOL_GPL(gpiod_set_array_value_cansleep); |