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| author | Zhang Qilong <zhangqilong3@huawei.com> | 2020-11-06 09:52:17 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-30 11:53:03 +0100 |
| commit | 26a19bbe6003b667da63f609307473df6b52d343 (patch) | |
| tree | f534d50884e58eff20e169dae682749c0970c792 | |
| parent | 615bc1ba5b87843f932ea729b6c3304f58faf7bb (diff) | |
| download | kernel_replicant_linux-26a19bbe6003b667da63f609307473df6b52d343.tar.gz kernel_replicant_linux-26a19bbe6003b667da63f609307473df6b52d343.tar.bz2 kernel_replicant_linux-26a19bbe6003b667da63f609307473df6b52d343.zip | |
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: db96bf976a4fc ("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>
| -rw-r--r-- | drivers/spi/spi-stm32.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 2cc850eb8922..471dedf3d339 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -2062,6 +2062,7 @@ 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; } |