Merge branch 'net-Use-scnprintf-for-avoiding-potential-buffer-overflow'

Takashi Iwai says:

====================
net: Use scnprintf() for avoiding potential buffer overflow

here is a respin of trivial patch series just to convert suspicious
snprintf() usages with the more safer one, scnprintf().

v1->v2: Align the remaining lines to the open parenthesis
        Excluded i40e patch that was already queued
====================

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