commit 8f5063e97f393d49611151d3cf7dcbeb41397f12
author Florian Fainelli <f.fainelli@gmail.com> Sat Jul 11 18:02:10 2015 -0700
committer David S. Miller <davem@davemloft.net> Sat Jul 11 23:25:16 2015 -0700
tree 09864acdea8b4c1ef6ed6a9d4f0b159f25d9ef28
parent 2ee94014d9bd3868b1c0d17405f96d63bec83f28

net: dsa: Test array index before use

port_index is used an index into an array, and this information comes
from Device Tree, make sure that port_index is not equal to the array
size before using it. Move the check against port_index earlier in the
loop.

Fixes: 5e95329b701c: ("dsa: add device tree bindings to register DSA switches")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>