On Wed, Jul 10, 2024 at 04:48:54PM -0700, Dmitry Torokhov wrote: > The locking rules in the driver came from era when sysfs attributes > could live past the point of time when device would be unbound from > the driver, and so used module-global semaphore (potentially shared > between multiple yealink devices). Thankfully these times are long > gone and attributes will not be accessible once they are removed. > > Simplify the logic by moving to per-device mutex, stop checking if > there is driver data instance attached to the interface, and use > guard notation to acquire the mutex. > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
