[PATCH AUTOSEL 5.10 05/31] rtc: pl031: fix resource leak in pl031_probe

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From: Zheng Liang <zhengliang6@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: Zheng Liang <zhengliang6@xxxxxxxxxx>
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201112093139.32566-1-zhengliang6@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 c6b89273feba8..d4b2ab7861266 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -361,8 +361,10 @@ 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;
 	ldata->rtc->range_min = vendor->range_min;
-- 
2.27.0




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