From: Ben Gras <ben@minix3.org>
Date: Wed, 24 Oct 2012 17:47:47 +0000 (+0200)
Subject: vm: fix potential null deref
X-Git-Tag: v3.2.1~254
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zlib_tech.html?a=commitdiff_plain;h=aefc6db005065082e6dcd170d457974d2df67027;p=minix.git

vm: fix potential null deref
---

diff --git a/servers/vm/region.c b/servers/vm/region.c
index ae3e32adf..cb569f41f 100644
--- a/servers/vm/region.c
+++ b/servers/vm/region.c
@@ -830,7 +830,7 @@ struct phys_region **physr;
 			ph = offset - r->vaddr;
 			if(physr) {
 				*physr = physr_search(r->phys, ph, AVL_EQUAL);
-				assert((*physr)->offset == ph);
+				if(*physr) assert((*physr)->offset == ph);
 			}
 			return r;
 		}