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gpio: tegra: add missing error handling to probe

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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>
This commit is contained in:
Stephen Warren 2013-12-06 13:36:11 -07:00 committed by Linus Walleij
parent 7bb3ed21f9
commit f57f98a6c0
1 changed files with 6 additions and 1 deletions
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7
drivers/gpio/gpio-tegra.c
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@ -425,6 +425,7 @@ static int tegra_gpio_probe(struct platform_device *pdev)
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 @@ static int tegra_gpio_probe(struct platform_device *pdev)
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);