Commit 74953eff authored Jun 04, 2020 by Navid Emamdoost Committed by Greg Kroah-Hartman Jul 22, 2020

iio: pressure: zpa2326: handle pm_runtime_get_sync failure



commit d88de040e1df38414fc1e4380be9d0e997ab4d58 upstream.

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: 03b262f2 ("iio:pressure: initial zpa2326 barometer support")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 4ecff6ee

drivers/iio/pressure/zpa2326.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -664,8 +664,10 @@ static int zpa2326_resume(const struct iio_dev *indio_dev)
		int err;

		err = pm_runtime_get_sync(indio_dev->dev.parent);
		if (err < 0)
		if (err < 0) {
		pm_runtime_put(indio_dev->dev.parent);
		return err;
		}

		if (err > 0) {
		/*