pm_runtime_get_sync() will increment pm usage counter even it
failed. Forgetting to call pm_runtime_put_noidle will result
in reference leak in vfio_platform_open, so we should fix it.
Signed-off-by: Zhang Qilong <zhangqilong3@xxxxxxxxxx>
---
drivers/vfio/platform/vfio_platform_common.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
index c0771a9567fb..aa97f1678981 100644
--- a/drivers/vfio/platform/vfio_platform_common.c
+++ b/drivers/vfio/platform/vfio_platform_common.c
@@ -266,8 +266,10 @@ static int vfio_platform_open(void *device_data)
goto err_irq;
ret = pm_runtime_get_sync(vdev->device);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_noidle(vdev->device);
goto err_pm;
+ }
ret = vfio_platform_call_reset(vdev, &extra_dbg);
if (ret && vdev->reset_required) {
--
2.17.1
