Merge tag 'batadv-next-pullrequest-20210820' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
This (updated) cleanup patchset includes the following patches:

 - bump version strings, by Simon Wunderlich

 - update docs about move IRC channel away from freenode,
   by Sven Eckelmann (updated, added missing sign-off)

 - Switch to kstrtox.h for kstrtou64, by Sven Eckelmann

 - Update NULL checks, by Sven Eckelmann (2 patches)

 - remove remaining skb-copy calls for broadcast packets,
   by Linus Lüssing
====================

Signed-off-by: David S. Miller <davem@davemloft.net>