[PATCH] usb: core: fix reference count leak in usb_port_resume

[Aditya Pakki]

usb_port_resume() 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 <pakki...@umn.edu>
---
 drivers/usb/core/hub.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index b1e14beaac5f..a9231f27144e 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3542,6 +3542,7 @@ int usb_port_resume(struct usb_device *udev, pm_message_t 
msg)
                if (status < 0) {
                        dev_dbg(&udev->dev, "can't resume usb port, status 
%d\n",
                                        status);
+                       pm_runtime_put_sync(&port_dev->dev);
                        return status;
                }
        }
-- 
2.25.1