From: awilliam@xenbuild.aw <awilliam@xenbuild.aw>
Date: Fri, 9 Jun 2006 16:35:37 +0000 (-0600)
Subject: [IA64] Add NULL test in domain_page_mapped()
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~15985
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22man:///%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22man:/?a=commitdiff_plain;h=774ae11f51bdc3194cd1f06a68271e1b94409cdd;p=xen.git

[IA64] Add NULL test in domain_page_mapped()

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
---

diff --git a/xen/arch/ia64/xen/mm.c b/xen/arch/ia64/xen/mm.c
index 7b6135ca23..736f3919ed 100644
--- a/xen/arch/ia64/xen/mm.c
+++ b/xen/arch/ia64/xen/mm.c
@@ -1053,8 +1053,8 @@ domain_page_mapped(struct domain* d, unsigned long mpaddr)
 {
     pte_t * pte;
 
-    pte=lookup_noalloc_domain_pte(d, mpaddr);
-    if(!pte_none(*pte))
+    pte = lookup_noalloc_domain_pte(d, mpaddr);
+    if(pte != NULL && !pte_none(*pte))
        return 1;
     return 0;
 }