Merge branch 'dst-tag-ksz-fix'

Florian Fainelli says:

====================
net: dsa: Fix tag_ksz.c

This implements David's suggestion of providing low-level functions
to control whether skb_pad() and skb_put_padto() should be freeing
the passed skb.

We make use of it to fix a double free in net/dsa/tag_ksz.c that would
occur if we kept using skb_put_padto() in both places.
====================

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