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Message-Id: <20210104155707.529908805@linuxfoundation.org>
Date: Mon, 4 Jan 2021 16:57:36 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
Zheng Liang <zhengliang6@...wei.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Linus Walleij <linus.walleij@...aro.org>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 37/47] rtc: pl031: fix resource leak in pl031_probe
From: Zheng Liang <zhengliang6@...wei.com>
[ Upstream commit 1eab0fea2514b269e384c117f5b5772b882761f0 ]
When devm_rtc_allocate_device is failed in pl031_probe, it should release
mem regions with device.
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zheng Liang <zhengliang6@...wei.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
Acked-by: Linus Walleij <linus.walleij@...aro.org>
Link: https://lore.kernel.org/r/20201112093139.32566-1-zhengliang6@huawei.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/rtc/rtc-pl031.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 180caebbd3552..9566958476dfc 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -379,8 +379,10 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
device_init_wakeup(&adev->dev, true);
ldata->rtc = devm_rtc_allocate_device(&adev->dev);
- if (IS_ERR(ldata->rtc))
- return PTR_ERR(ldata->rtc);
+ if (IS_ERR(ldata->rtc)) {
+ ret = PTR_ERR(ldata->rtc);
+ goto out;
+ }
ldata->rtc->ops = ops;
--
2.27.0
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