Merge tag 'gpio-5.1-rc2-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into fixes

GPIO fixes for v5.1-rc2

- check the return value of a function that can fail in gpio-exar
- fix the SPDX identifier in amd-fch
- fix the direction_input callback in gpio-adnp

drivers/gpio/gpio-adnp.c

@@ -132,8 +132,10 @@ static int adnp_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 	if (err < 0)
 		goto out;
 
-	if (err & BIT(pos))
-		err = -EACCES;
+	if (value & BIT(pos)) {
+		err = -EPERM;
+		goto out;
+	}
 
 	err = 0;
 

drivers/gpio/gpio-exar.c

@@ -148,6 +148,8 @@ static int gpio_exar_probe(struct platform_device *pdev)
 	mutex_init(&exar_gpio->lock);
 
 	index = ida_simple_get(&ida_index, 0, 0, GFP_KERNEL);
+	if (index < 0)
+		goto err_destroy;
 
 	sprintf(exar_gpio->name, "exar_gpio%d", index);
 	exar_gpio->gpio_chip.label = exar_gpio->name;

include/linux/platform_data/gpio/gpio-amd-fch.h

@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL+ */
+/* SPDX-License-Identifier: GPL-2.0+ */
 
 /*
  * AMD FCH gpio driver platform-data