diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index b4c8b25453a6..65f751adb1cd 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -443,7 +443,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip) struct gpiohandle_request handlereq; struct linehandle_state *lh; struct file *file; - int fd, i, ret; + int fd, i, count = 0, ret; if (copy_from_user(&handlereq, ip, sizeof(handlereq))) return -EFAULT; @@ -489,6 +489,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip) if (ret) goto out_free_descs; lh->descs[i] = desc; + count = i; if (lflags & GPIOHANDLE_REQUEST_ACTIVE_LOW) set_bit(FLAG_ACTIVE_LOW, &desc->flags); @@ -555,7 +556,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip) out_put_unused_fd: put_unused_fd(fd); out_free_descs: - for (; i >= 0; i--) + for (i = 0; i < count; i++) gpiod_free(lh->descs[i]); kfree(lh->label); out_free_lh: