usb: dwc3: core: memory ordering fix in close
As a bitmap is used for free/used. As a device freed all memory operations must be scheduled before the bitmap is manipulated. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
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@ -99,6 +99,7 @@ void dwc3_put_device_id(int id)
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ret = test_bit(id, dwc3_devs);
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WARN(!ret, "dwc3: ID %d not in use\n", id);
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smp_mb__before_clear_bit();
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clear_bit(id, dwc3_devs);
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}
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EXPORT_SYMBOL_GPL(dwc3_put_device_id);
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