[PATCH v1 1/1] gpiolib: Use list_first_entry()/list_last_entry()

From: Andy Shevchenko
Date: Mon Mar 07 2022 - 06:24:12 EST


Use list_first_entry()/list_last_entry() instead of open coded variants.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/gpio/gpiolib.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 002bf4b1616b..f5e7443208d4 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -262,14 +262,14 @@ static int gpiodev_add_to_list(struct gpio_device *gdev)
return 0;
}

- next = list_entry(gpio_devices.next, struct gpio_device, list);
+ next = list_first_entry(&gpio_devices, struct gpio_device, list);
if (gdev->base + gdev->ngpio <= next->base) {
/* add before first entry */
list_add(&gdev->list, &gpio_devices);
return 0;
}

- prev = list_entry(gpio_devices.prev, struct gpio_device, list);
+ prev = list_last_entry(&gpio_devices, struct gpio_device, list);
if (prev->base + prev->ngpio <= gdev->base) {
/* add behind last entry */
list_add_tail(&gdev->list, &gpio_devices);
@@ -4426,7 +4426,7 @@ static void *gpiolib_seq_next(struct seq_file *s, void *v, loff_t *pos)
if (list_is_last(&gdev->list, &gpio_devices))
ret = NULL;
else
- ret = list_entry(gdev->list.next, struct gpio_device, list);
+ ret = list_first_entry(&gdev->list, struct gpio_device, list);
spin_unlock_irqrestore(&gpio_lock, flags);

s->private = "\n";
--
2.34.1