x86/xen: panic on bad Xen-provided memory map
authorMartin Kelly <martin@martingkelly.com>
Fri, 17 Oct 2014 03:48:11 +0000 (20:48 -0700)
committerDavid Vrabel <david.vrabel@citrix.com>
Thu, 23 Oct 2014 15:24:02 +0000 (16:24 +0100)
Panic if Xen provides a memory map with 0 entries. Although this is
unlikely, it is better to catch the error at the point of seeing the map
than later on as a symptom of some other crash.

Signed-off-by: Martin Kelly <martkell@amazon.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
arch/x86/xen/setup.c

Simple merge