From: Patrik Flykt <patrik.flykt@linux.intel.com>
Date: Tue, 17 Dec 2013 15:24:16 +0000 (+0100)
Subject: dhcp: Properly handle unsuccessful cases for DHCP Ack
X-Git-Tag: v209~858
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=97b9372db178baadb121634fb4ae12bda8969cfe;hp=97b9372db178baadb121634fb4ae12bda8969cfe

dhcp: Properly handle unsuccessful cases for DHCP Ack

Ignore DHCP Ack packets if they are found to be erroneous or have
an unexpected xid by setting the result to zero instead of propagating
an error. Also remember to report a DHCP Nak and stop the DHCP client.
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