linux-kernel - [PATCH 5.11 094/342] perf/arm_pmu

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Message-Id: <20210510102013.216891599@linuxfoundation.org>
Date:   Mon, 10 May 2021 12:18:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Robin Murphy <robin.murphy@....com>,
        Will Deacon <will@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 094/342] perf/arm_pmu_platform: Fix error handling

From: Robin Murphy <robin.murphy@....com>

[ Upstream commit e338cb6bef254821a8c095018fd27254d74bfd6a ]

If we're aborting after failing to register the PMU device,
we probably don't want to leak the IRQs that we've claimed.

Signed-off-by: Robin Murphy <robin.murphy@....com>
Link: https://lore.kernel.org/r/53031a607fc8412a60024bfb3bb8cd7141f998f5.1616774562.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/perf/arm_pmu_platform.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c
index bb6ae955083a..ef9676418c9f 100644
--- a/drivers/perf/arm_pmu_platform.c
+++ b/drivers/perf/arm_pmu_platform.c
@@ -235,7 +235,7 @@ int arm_pmu_device_probe(struct platform_device *pdev,
 
 	ret = armpmu_register(pmu);
 	if (ret)
-		goto out_free;
+		goto out_free_irqs;
 
 	return 0;
 
-- 
2.30.2