[IA64] Fix calling xencomm_copy_chunk_{to, from} with len = 0
authorawilliam@xenbuild2.aw <awilliam@xenbuild2.aw>
Thu, 4 Jan 2007 23:10:25 +0000 (16:10 -0700)
committerawilliam@xenbuild2.aw <awilliam@xenbuild2.aw>
Thu, 4 Jan 2007 23:10:25 +0000 (16:10 -0700)
commiteacdd4f1287a43286850c05613de2f049eccc488
tree7f59201c1d07642514832e6bae295f3a98569ba3
parentf582880f6b392007a29ed9e652511688d708e068
[IA64] Fix calling xencomm_copy_chunk_{to, from} with len = 0

Originally debugged by Kazuhiro Suzuki

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
xen/arch/ia64/xen/xencomm.c