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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2024-01-25 15:05:19 +0100
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2024-02-12 10:51:23 +0100
commitc5cf334dcc78185da08b1f5df2d754cc7bf02669 (patch)
tree49d53d3c513234c9aebcccdb0a84ce1aec31243d /drivers/gpio/gpiolib.c
parent6c82e737ab21c82982eaf5591b07268927a085d1 (diff)
gpio: remove unnecessary checks from gpiod_to_chip()
We don't need to check the gdev pointer in struct gpio_desc - it's always assigned and never cleared. It's also pointless to check gdev->chip before we actually serialize access to it. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r--drivers/gpio/gpiolib.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 5db3ed29dae6..76c27ba9ee64 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -214,7 +214,7 @@ EXPORT_SYMBOL_GPL(desc_to_gpio);
*/
struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)
{
- if (!desc || !desc->gdev)
+ if (!desc)
return NULL;
return desc->gdev->chip;
}
@@ -3505,7 +3505,7 @@ int gpiod_to_irq(const struct gpio_desc *desc)
* requires this function to not return zero on an invalid descriptor
* but rather a negative error number.
*/
- if (!desc || IS_ERR(desc) || !desc->gdev || !desc->gdev->chip)
+ if (!desc || IS_ERR(desc))
return -EINVAL;
gc = desc->gdev->chip;