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Am Dienstag, 13. März 2007 14:39 schrieb Mark Lord: > Oliver Neukum wrote: > > > > If we get to destroy_serial(), how can ports still be open? > > (1) open up a ckermit session on /dev/usb_serial_port_0. > (2) suspend the machine (to RAM). > (3) the suspend logic "removes" all USB devices. No, any open port has taken a reference in serial_open(): serial = usb_serial_get_by_index(tty->index); destroy_serial() can be called only when the refcount goes to zero. How can there be open ports? Regards Oliver - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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