[PATCH] hwmon: (ina3221) Fix reference count leak in ina3221_write_enable

From: Aditya Pakki
Date: Sat Jun 13 2020 - 23:38:09 EST


ina3221_write_enable() calls pm_runtime_get_sync() that increments
the reference counter. In case of failure, decrement the reference
count and return the error.

Signed-off-by: Aditya Pakki <pakki001@xxxxxxx>
---
drivers/hwmon/ina3221.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c
index f335d0cb0c77..9a3b46160de1 100644
--- a/drivers/hwmon/ina3221.c
+++ b/drivers/hwmon/ina3221.c
@@ -492,6 +492,7 @@ static int ina3221_write_enable(struct device *dev, int channel, bool enable)
ret = pm_runtime_get_sync(ina->pm_dev);
if (ret < 0) {
dev_err(dev, "Failed to get PM runtime\n");
+ pm_runtime_put_sync(ina->pm_dev);
return ret;
}
}
--
2.25.1