From: GUO Zihua guozihua@huawei.com
[ 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@huawei.com Link: https://lore.kernel.org/r/20221122085046.21689-1-guozihua@huawei.com Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 d349cef09cb7..48595b00ebb3 100644 --- a/drivers/rtc/rtc-mxc_v2.c +++ b/drivers/rtc/rtc-mxc_v2.c @@ -337,8 +337,10 @@ 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;