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

From: Aditya Pakki
Date: Sat Jun 13 2020 - 23:34:06 EST


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 <pakki001@xxxxxxx>
---
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