usb: dwc3: pci: Fix reference count leak in dwc3_pci_resume_work

dwc3_pci_resume_work() calls pm_runtime_get_sync() that increments
the reference counter. In case of failure, decrement the reference
before returning.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index b673727..96c05b1 100644 (file)
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -206,8 +206,10 @@ static void dwc3_pci_resume_work(struct work_struct *work)
        int ret;
 
        ret = pm_runtime_get_sync(&dwc3->dev);
-       if (ret)
+       if (ret) {
+               pm_runtime_put_sync_autosuspend(&dwc3->dev);
                return;
+       }
 
        pm_runtime_mark_last_busy(&dwc3->dev);
        pm_runtime_put_sync_autosuspend(&dwc3->dev);