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On Sun, Oct 05, 2008 at 05:11:38PM +0100, Alan Cox wrote: > Use kref in the USB serial drivers so that we don't free tty structures > from under the URB receive handlers as has historically been the case if > you were unlucky. This also gives us a framework for general tty drivers to > use tty_port objects and refcount. Should we be calling kref_get() and kref_put() in interrupt context? Could we just get the reference in open and then put in close when we are done with it for each driver? thanks, greg k-h | ||||||||||||
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