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authorStephen Warren <swarren@nvidia.com>2013-12-06 13:36:11 -0700
committerLinus Walleij <linus.walleij@linaro.org>2013-12-11 13:37:48 +0100
commitf57f98a6c0f4f3cb4d2ec9f9566b8e3f21843f03 (patch)
tree35b36d8fcdcf6a685def44d251f67bc3631a56cb /drivers/gpio/gpio-tegra.c
parent7bb3ed21f9506126bd590b8bf0676bad5bfa6336 (diff)
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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>
Diffstat (limited to 'drivers/gpio/gpio-tegra.c')
-rw-r--r--drivers/gpio/gpio-tegra.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index cfd3b9037bc7..2b49f878b56c 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -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);