datapath: Check for skb_cow_head(), not skb_cow().
authorBen Pfaff <blp@nicira.com>
Thu, 27 May 2010 22:29:29 +0000 (15:29 -0700)
committerBen Pfaff <blp@nicira.com>
Thu, 27 May 2010 22:38:56 +0000 (15:38 -0700)
commit4eb26d3cd41b6bcbd3e12e85bc9e4f36f47eb430
tree87a3c19b6b0f4d0a05d036d8a8cd85729153bc8b
parentc178dfe0b0422a04df9dab93d9563474acecef32
datapath: Check for skb_cow_head(), not skb_cow().

skb_cow() has been present since 2.6.12 or earlier, but skb_cow_head() was
added only in 2.6.23, so we were checking for the wrong identifier here.
acinclude.m4
datapath/linux-2.6/compat-2.6/include/linux/skbuff.h