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authorGaosheng Cui <cuigaosheng1@huawei.com>2022-11-23 09:48:05 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-18 11:41:31 +0100
commit686f0793f7905d043bb5e70b819695710a5a4924 (patch)
tree984ae39d1e0ae0c837b2fb42cb3e9f1e007aa4ff
parent1240ed71a0f628307dd0cec91509cdd2d6d607d9 (diff)
rtc: st-lpc: Add missing clk_disable_unprepare in st_rtc_probe()
[ Upstream commit 5fb733d7bd6949e90028efdce8bd528c6ab7cf1e ] The clk_disable_unprepare() should be called in the error handling of clk_get_rate(), fix it. Fixes: b5b2bdfc2893 ("rtc: st: Add new driver for ST's LPC RTC") Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Link: https://lore.kernel.org/r/20221123014805.1993052-1-cuigaosheng1@huawei.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/rtc/rtc-st-lpc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c
index 49474a31c66d..27261b020f8d 100644
--- a/drivers/rtc/rtc-st-lpc.c
+++ b/drivers/rtc/rtc-st-lpc.c
@@ -241,6 +241,7 @@ static int st_rtc_probe(struct platform_device *pdev)
rtc->clkrate = clk_get_rate(rtc->clk);
if (!rtc->clkrate) {
+ clk_disable_unprepare(rtc->clk);
dev_err(&pdev->dev, "Unable to fetch clock rate\n");
return -EINVAL;
}