diff options
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 59eaa23..5a5c208 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -325,8 +325,10 @@ static void gpiochip_free_hogs(struct gpio_chip *chip); */ void gpiochip_remove(struct gpio_chip *chip) { + struct gpio_desc *desc; unsigned long flags; unsigned id; + bool requested = false; gpiochip_unexport(chip); @@ -339,15 +341,17 @@ void gpiochip_remove(struct gpio_chip *chip) spin_lock_irqsave(&gpio_lock, flags); for (id = 0; id < chip->ngpio; id++) { - if (test_bit(FLAG_REQUESTED, &chip->desc[id].flags)) - dev_crit(chip->dev, "REMOVING GPIOCHIP WITH GPIOS STILL REQUESTED\n"); + desc = &chip->desc[id]; + desc->chip = NULL; + if (test_bit(FLAG_REQUESTED, &desc->flags)) + requested = true; } - for (id = 0; id < chip->ngpio; id++) - chip->desc[id].chip = NULL; - list_del(&chip->list); spin_unlock_irqrestore(&gpio_lock, flags); + if (requested) + dev_crit(chip->dev, "REMOVING GPIOCHIP WITH GPIOS STILL REQUESTED\n"); + kfree(chip->desc); chip->desc = NULL; } |
