On 11/03/2017 04:05 PM, Vivien Didelot wrote: > DSA trees have a refcount used to automatically free the dsa_switch_tree > structure once there is no switch devices inside of it. > > The refcount is incremented when a switch is added to the tree, and > decremented when it is removed from it. > > But because of kref_init, the refcount is also incremented at > initialization, and when looking up the tree from the list for symmetry. > > Thus the current code stores the number of switches plus one, and makes > the switch registration more complex. > > To simplify the switch registration function, we reset the refcount to > zero after initialization and don't increment it when looking up a tree. > > Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.faine...@gmail.com> -- Florian
