From: Stephen Warren <[email protected]> The call to gpiochip_add() is not currently error-checked. Add the missing checking.
Signed-off-by: Stephen Warren <[email protected]> --- Perhaps this should be Cc: stable since Greg wants more stable patches, but it's not a bug that's likely to be hit... --- drivers/gpio/gpio-tegra.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) 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); -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
