4.19-stable review patch. If anyone has any objections, please let me know.
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From: Christophe JAILLET christophe.jaillet@wanadoo.fr
[ Upstream commit b547b5e52a0587e6b25ea520bf2f9e03d00cbcb6 ]
If an error occurs after a successful irq_domain_add_linear() call, it should be undone by a corresponding irq_domain_remove(), as already done in the remove function.
Fixes: c6ce2b6bffe5 ("gpio: add TB10x GPIO driver") Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Signed-off-by: Bartosz Golaszewski bartosz.golaszewski@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-tb10x.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-tb10x.c b/drivers/gpio/gpio-tb10x.c index a12cd0b5c9721..1d80bae86ec96 100644 --- a/drivers/gpio/gpio-tb10x.c +++ b/drivers/gpio/gpio-tb10x.c @@ -246,7 +246,7 @@ static int tb10x_gpio_probe(struct platform_device *pdev) handle_edge_irq, IRQ_NOREQUEST, IRQ_NOPROBE, IRQ_GC_INIT_MASK_CACHE); if (ret) - return ret; + goto err_remove_domain;
gc = tb10x_gpio->domain->gc->gc[0]; gc->reg_base = tb10x_gpio->base; @@ -260,6 +260,10 @@ static int tb10x_gpio_probe(struct platform_device *pdev) }
return 0; + +err_remove_domain: + irq_domain_remove(tb10x_gpio->domain); + return ret; }
static int tb10x_gpio_remove(struct platform_device *pdev)