From: Roger Pau Monné <roger.pau@citrix.com>
Date: Tue, 25 Sep 2018 14:29:59 +0000 (+0200)
Subject: x86/mm: don't crash on unknown memory types in page_get_ram_type
X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~3235
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=40dbe1818a6af630cc8595ea97b35f3a0d296606;p=xen.git

x86/mm: don't crash on unknown memory types in page_get_ram_type

Instead return RAM_TYPE_UNKNOWN.

Reported-by: Razvan Cojocaru <rcojocaru@bitdefender.com>
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---

diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index c8a97e1bc5..02abd061be 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -465,7 +465,8 @@ unsigned int page_get_ram_type(mfn_t mfn)
             break;
 
         default:
-            ASSERT_UNREACHABLE();
+            type |= RAM_TYPE_UNKNOWN;
+            break;
         }
     }