[PATCH 5.2 167/413] clocksource/drivers/tegra: Release all IRQs on request_irq() error

From: Greg Kroah-Hartman
Date: Wed Jul 24 2019 - 16:30:02 EST


[ Upstream commit 7a3916706e858ad0bc3b5629c68168e1449de26a ]

Release all requested IRQ's on the request error to properly clean up
allocated resources.

Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
Acked-By: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/clocksource/timer-tegra20.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/timer-tegra20.c b/drivers/clocksource/timer-tegra20.c
index 1e7ece279730..fe5cc0963ac9 100644
--- a/drivers/clocksource/timer-tegra20.c
+++ b/drivers/clocksource/timer-tegra20.c
@@ -288,7 +288,7 @@ static int __init tegra_init_timer(struct device_node *np)
pr_err("%s: can't map IRQ for CPU%d\n",
__func__, cpu);
ret = -EINVAL;
- goto out;
+ goto out_irq;
}

irq_set_status_flags(cpu_to->clkevt.irq, IRQ_NOAUTOEN);
@@ -298,7 +298,8 @@ static int __init tegra_init_timer(struct device_node *np)
if (ret) {
pr_err("%s: cannot setup irq %d for CPU%d\n",
__func__, cpu_to->clkevt.irq, cpu);
- ret = -EINVAL;
+ irq_dispose_mapping(cpu_to->clkevt.irq);
+ cpu_to->clkevt.irq = 0;
goto out_irq;
}
}
--
2.20.1