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usb: dwc3: of-simple: fix use-after-free on remove

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[ Upstream commit 896e518883 ]

The clocks have already been explicitly disabled and put as part of
remove() so the runtime suspend callback must not be run when balancing
the runtime PM usage count before returning.

Fixes: 16adc674d0 ("usb: dwc3: add generic OF glue layer")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold
2018-05-31 16:45:52 +02:00
committed by Chris
parent c0c10d44fd
commit 796e63e8bf
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/dwc3/dwc3-of-simple.c
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@@ -132,8 +132,9 @@ static int dwc3_of_simple_remove(struct platform_device *pdev)
of_platform_depopulate(dev);
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
pm_runtime_put_noidle(dev);
pm_runtime_set_suspended(dev);
return 0;
}