From: GUO Zihua <guozihua@xxxxxxxxxx>
[ Upstream commit 55d5a86618d3b1a768bce01882b74cbbd2651975 ]
The call to clk_disable_unprepare() is left out in the error handling of
devm_rtc_allocate_device. Add it back.
Fixes: 5490a1e018a4 ("rtc: mxc_v2: fix possible race condition")
Signed-off-by: GUO Zihua <guozihua@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221122085046.21689-1-guozihua@xxxxxxxxxx
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/rtc/rtc-mxc_v2.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-mxc_v2.c b/drivers/rtc/rtc-mxc_v2.c
index 5e0383401629..f6d2ad91ff7a 100644
--- a/drivers/rtc/rtc-mxc_v2.c
+++ b/drivers/rtc/rtc-mxc_v2.c
@@ -336,8 +336,10 @@ static int mxc_rtc_probe(struct platform_device *pdev)
}
pdata->rtc = devm_rtc_allocate_device(&pdev->dev);
- if (IS_ERR(pdata->rtc))
+ if (IS_ERR(pdata->rtc)) {
+ clk_disable_unprepare(pdata->clk);
return PTR_ERR(pdata->rtc);
+ }
pdata->rtc->ops = &mxc_rtc_ops;
pdata->rtc->range_max = U32_MAX;
--
2.35.1
