From: Wei Yongjun <[email protected]> Add the missing unlock before return from function pinctrl_find_gpio_range_from_pin() in the error handling case.
Introduced by commit 2ff3477efd7086544b9e298fc63afab0645921b4. (pinctrl: add pin list based GPIO ranges) Signed-off-by: Wei Yongjun <[email protected]> --- drivers/pinctrl/core.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 33710b5..28a3f7b 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -465,7 +465,7 @@ struct pinctrl_gpio_range * pinctrl_find_gpio_range_from_pin(struct pinctrl_dev *pctldev, unsigned int pin) { - struct pinctrl_gpio_range *range = NULL; + struct pinctrl_gpio_range *range; mutex_lock(&pctldev->mutex); /* Loop over the ranges */ @@ -475,17 +475,16 @@ pinctrl_find_gpio_range_from_pin(struct pinctrl_dev *pctldev, int a; for (a = 0; a < range->npins; a++) { if (range->pins[a] == pin) - return range; + goto out; } } else if (pin >= range->pin_base && - pin < range->pin_base + range->npins) { - mutex_unlock(&pctldev->mutex); - return range; - } + pin < range->pin_base + range->npins) + goto out; } + range = NULL; +out: mutex_unlock(&pctldev->mutex); - - return NULL; + return range; } EXPORT_SYMBOL_GPL(pinctrl_find_gpio_range_from_pin); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
