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

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[ 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>
This commit is contained in:
Aditya Pakki 2020-06-13 22:15:25 -05:00 • committed by Greg Kroah-Hartman
commit cc1815b74b
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/dwc3/dwc3-pci.c
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@ -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);