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rtc: rzn1: Check return value in rzn1_rtc_probe
author
Yushan Zhou
<katrinzhou@tencent.com>
Mon, 7 Nov 2022 09:25:44 +0000
(17:25 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Sat, 31 Dec 2022 12:32:49 +0000
(13:32 +0100)
[ Upstream commit
9800f24f7bd5b99fb4fc4ce981427102e2e15a1c
]
The rzn1_rtc_probe() function utilizes devm_pm_runtime_enable()
but wasn't checking the return value. Fix it by adding missing
check.
Fixes:
deeb4b5393e1
("rtc: rzn1: Add new RTC driver")
Signed-off-by: Yushan Zhou <katrinzhou@tencent.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link:
https://lore.kernel.org/r/20221107092544.3721053-1-zys.zljxml@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/rtc/rtc-rzn1.c
patch
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diff --git
a/drivers/rtc/rtc-rzn1.c
b/drivers/rtc/rtc-rzn1.c
index
ac78879
..
0d36bc5
100644
(file)
--- a/
drivers/rtc/rtc-rzn1.c
+++ b/
drivers/rtc/rtc-rzn1.c
@@
-355,7
+355,9
@@
static int rzn1_rtc_probe(struct platform_device *pdev)
set_bit(RTC_FEATURE_ALARM_RES_MINUTE, rtc->rtcdev->features);
clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->rtcdev->features);
- devm_pm_runtime_enable(&pdev->dev);
+ ret = devm_pm_runtime_enable(&pdev->dev);
+ if (ret < 0)
+ return ret;
ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret < 0)
return ret;