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iio: pressure: zpa2326: handle pm_runtime_get_sync failure 

Calling pm_runtime_get_sync increments the counter even in case of
failure, causing incorrect ref count. Call pm_runtime_put if
pm_runtime_get_sync fails.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Fixes: 03b262f2bb ("iio:pressure: initial zpa2326 barometer support")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Navid Emamdoost 2020-06-04 21:44:44 -05:00 committed by Jonathan Cameron
parent d5ed76adb9
commit d88de040e1
1 changed files with 3 additions and 1 deletions
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4
drivers/iio/pressure/zpa2326.c
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@ -665,8 +665,10 @@ static int zpa2326_resume(const struct iio_dev *indio_dev)
int err; int err;
err = pm_runtime_get_sync(indio_dev->dev.parent); err = pm_runtime_get_sync(indio_dev->dev.parent);
if (err < 0) if (err < 0) {
pm_runtime_put(indio_dev->dev.parent);
return err; return err;
}
if (err > 0) { if (err > 0) {
/* /*