pm_runtime_get_sync will increment pm usage counter even it failed.
thus a pairing decrement is needed.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Bixuan Cui <cuibixuan@xxxxxxxxxx>
---
drivers/usb/core/hub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 9a83390072da..b2bc4b7c4289 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3605,7 +3605,7 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg)
u16 portchange, portstatus;
if (!test_and_set_bit(port1, hub->child_usage_bits)) {
- status = pm_runtime_get_sync(&port_dev->dev);
+ status = pm_runtime_resume_and_get(&port_dev->dev);
if (status < 0) {
dev_dbg(&udev->dev, "can't resume usb port, status %d\n",
status);
--
2.17.1
