diff options
Diffstat (limited to 'drivers/gpio/gpiolib-cdev.c')
| -rw-r--r-- | drivers/gpio/gpiolib-cdev.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index 4f3e66ece7..f713d1ef77 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -572,7 +572,7 @@ struct linereq { DECLARE_KFIFO_PTR(events, struct gpio_v2_line_event); atomic_t seqno; struct mutex config_mutex; - struct line lines[]; + struct line lines[] __counted_by(num_lines); }; #define GPIO_V2_LINE_BIAS_FLAGS \ @@ -1656,6 +1656,7 @@ static int linereq_create(struct gpio_device *gdev, void __user *ip) lr = kzalloc(struct_size(lr, lines, ulr.num_lines), GFP_KERNEL); if (!lr) return -ENOMEM; + lr->num_lines = ulr.num_lines; lr->gdev = gpio_device_get(gdev); @@ -1684,7 +1685,6 @@ static int linereq_create(struct gpio_device *gdev, void __user *ip) lr->event_buffer_size = GPIO_V2_LINES_MAX * 16; atomic_set(&lr->seqno, 0); - lr->num_lines = ulr.num_lines; /* Request each GPIO */ for (i = 0; i < ulr.num_lines; i++) { @@ -2287,8 +2287,7 @@ static void gpio_desc_to_lineinfo(struct gpio_desc *desc, * FIXME: find a non-racy way to retrieve this information. Maybe a * lock common to both frameworks? */ - ok_for_pinctrl = - pinctrl_gpio_can_use_line(gc->base + info->offset); + ok_for_pinctrl = pinctrl_gpio_can_use_line(gc, info->offset); spin_lock_irqsave(&gpio_lock, flags); |