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| author | Zhang Qilong <zhangqilong3@huawei.com> | 2020-11-02 22:56:51 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-29 13:46:51 +0100 |
| commit | 2e1efddfd9c40c022d7055b83ada90dadf93f9de (patch) | |
| tree | f7b73fb71b4d48a475bfa8024e17b39fba4ff6eb | |
| parent | fea0cdd44706b9c499df4f7cde40f6f75f501f7f (diff) | |
| download | linux-rt-2e1efddfd9c40c022d7055b83ada90dadf93f9de.tar.gz | |
spi: img-spfi: fix reference leak in img_spfi_resume
[ Upstream commit ee5558a9084584015c8754ffd029ce14a5827fa8 ]
pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to pm_runtime_put_noidle will result in
reference leak in img_spfi_resume, so we should fix it.
Fixes: deba25800a12b ("spi: Add driver for IMG SPFI controller")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201102145651.3875-1-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-img-spfi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index 2e65b70c7879..2a340234c85c 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -771,8 +771,10 @@ static int img_spfi_resume(struct device *dev) int ret; ret = pm_runtime_get_sync(dev); - if (ret) + if (ret) { + pm_runtime_put_noidle(dev); return ret; + } spfi_reset(spfi); pm_runtime_put(dev); |