[PATCH AUTOSEL 5.2 170/249] clocksource/drivers/tegra: Release all IRQ's on request_irq() error

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From: Dmitry Osipenko <digetx@xxxxxxxxx>

[ 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




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