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spi: stm32: fix reference leak in stm32_spi_resume 

[ Upstream commit 900ccdcb79bb61471df1566a70b2b39687a628d5 ]

pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to pm_runtime_put_noidle will result in
reference leak in stm32_spi_resume, so we should fix it.

Fixes: db96bf976a ("spi: stm32: fixes suspend/resume management")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Reviewed-by: Alain Volmat <alain.volmat@st.com>
Link: https://lore.kernel.org/r/20201106015217.140476-1-zhangqilong3@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhang Qilong 2020-11-06 09:52:17 +08:00 committed by Greg Kroah-Hartman
parent c807042f2d
commit 5c5b92c1d6
1 changed files with 1 additions and 0 deletions
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1
drivers/spi/spi-stm32.c
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@ -2055,6 +2055,7 @@ static int stm32_spi_resume(struct device *dev)
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
pm_runtime_put_noidle(dev);
dev_err(dev, "Unable to power device:%d\n", ret);
return ret;
}