diff options
Diffstat (limited to 'drivers/gpio/gpiolib-of.c')
| -rw-r--r-- | drivers/gpio/gpiolib-of.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 3ece59185d37..73807c897391 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -734,7 +734,8 @@ int of_mm_gpiochip_add_data(struct device_node *np, if (mm_gc->save_regs) mm_gc->save_regs(mm_gc); - mm_gc->gc.of_node = np; + of_node_put(mm_gc->gc.of_node); + mm_gc->gc.of_node = of_node_get(np); ret = gpiochip_add_data(gc, data); if (ret) @@ -742,6 +743,7 @@ int of_mm_gpiochip_add_data(struct device_node *np, return 0; err2: + of_node_put(np); iounmap(mm_gc->regs); err1: kfree(gc->label); @@ -783,7 +785,7 @@ static void of_gpiochip_init_valid_mask(struct gpio_chip *chip) i, &start); of_property_read_u32_index(np, "gpio-reserved-ranges", i + 1, &count); - if (start >= chip->ngpio || start + count >= chip->ngpio) + if (start >= chip->ngpio || start + count > chip->ngpio) continue; bitmap_clear(chip->valid_mask, start, count); |