CodingStyle: Mention that "free" functions should accept a null pointer.
authorBen Pfaff <blp@nicira.com>
Thu, 4 Nov 2010 00:07:33 +0000 (17:07 -0700)
committerBen Pfaff <blp@nicira.com>
Thu, 4 Nov 2010 00:15:39 +0000 (17:15 -0700)
commitb93e69830a5606712f1ec0132e250839afbd87c4
treec564e088f60a475b71d7a69f3364678e4ed39849
parentee890a619da3544f2d7a30f574f94f2dfd6d975f
CodingStyle: Mention that "free" functions should accept a null pointer.

I've always written OVS code this way, so this just codifies it so that
others know.
CodingStyle