Hi, On Sun, Jul 09, 2017 at 06:04:17PM +0300, Andy Shevchenko wrote: > Above > 1. take mutex > 2. take reference > > Here: > 1. give mutex back > 2. give reference back > > I think we usually see symmetrical calls, i.e. > > 1. give reference back > 2. give mutex back > > So, what did I miss? After we hold the kref, driver won't disappear from underneath us so we don't need tty_mutex just for decrementing the refcount. Thanks, Okash _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
