Commit cc1815b7 authored Jun 13, 2020 by Aditya Pakki Committed by Greg Kroah-Hartman Jul 16, 2020

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



[ Upstream commit 2655971ad4b34e97dd921df16bb0b08db9449df7 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 312904ba

drivers/usb/dwc3/dwc3-pci.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -204,8 +204,10 @@ 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);