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Commit f57f98a6 authored by Stephen Warren's avatar Stephen Warren Committed by Linus Walleij
Browse files

gpio: tegra: add missing error handling to probe 



The call to gpiochip_add() is not currently error-checked. Add the
missing checking.

Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
Reviewed-by: default avatarThierry Reding <treding@nvidia.com>
Reviewed-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 7bb3ed21

drivers/gpio/gpio-tegra.c

+6 −1
Original line number Original line Diff line number Diff line
@@ -425,6 +425,7 @@ static int tegra_gpio_probe(struct platform_device *pdev) 
	struct tegra_gpio_soc_config *config;

	struct tegra_gpio_soc_config *config;

	struct resource *res;

	struct resource *res;

	struct tegra_gpio_bank *bank;

	struct tegra_gpio_bank *bank;

	int ret;

	int gpio;

	int gpio;

	int i;

	int i;

	int j;

	int j;
@@ -494,7 +495,11 @@ static int tegra_gpio_probe(struct platform_device *pdev) 




	tegra_gpio_chip.of_node = pdev->dev.of_node;

	tegra_gpio_chip.of_node = pdev->dev.of_node;





	gpiochip_add(&tegra_gpio_chip);

	ret = gpiochip_add(&tegra_gpio_chip);

	if (ret < 0) {

		irq_domain_remove(irq_domain);

		return ret;

	}





	for (gpio = 0; gpio < tegra_gpio_chip.ngpio; gpio++) {

	for (gpio = 0; gpio < tegra_gpio_chip.ngpio; gpio++) {

		int irq = irq_create_mapping(irq_domain, gpio);

		int irq = irq_create_mapping(irq_domain, gpio);