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: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index cfd3b90..2b49f87 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -425,6 +425,7 @@
struct tegra_gpio_soc_config *config;
struct resource *res;
struct tegra_gpio_bank *bank;
+ int ret;
int gpio;
int i;
int j;
@@ -494,7 +495,11 @@
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++) {
int irq = irq_create_mapping(irq_domain, gpio);