Determine if a fraglist is needed in the tx path, and allocate it if
necessary before setting up the copy and map operations.
Otherwise, undoing the copy and map operations is tricky.
This fixes a use-after-free: if allocating the fraglist failed, the copy
and map operations that had been set up
From: Ross Lagerwall ross.lagerw...@citrix.com
Date: Mon, 3 Aug 2015 15:38:03 +0100
Determine if a fraglist is needed in the tx path, and allocate it if
necessary before setting up the copy and map operations.
Otherwise, undoing the copy and map operations is tricky.
This fixes a
