From: Jesse Gross <jesse@nicira.com>
Date: Sat, 16 Jan 2010 00:24:53 +0000 (-0500)
Subject: netdev-linux: Avoid potential issues with unset FD.
X-Git-Tag: v1.0.0~259^2~275
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=49a6a1636f849eba12fb444651ee818628426f0d;hp=49a6a1636f849eba12fb444651ee818628426f0d;p=sliver-openvswitch.git

netdev-linux: Avoid potential issues with unset FD.

Never close the file descriptor if it is 0, since it is never a
valid FD in this context.  Also initialize the FD to -1 so that
it is never set to a valid but incorrect value.
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