From b5ea10611c1f474095017b20d119e87b61933b48 Mon Sep 17 00:00:00 2001
From: Derrick Brashear <shadow@dementia.org>
Date: Tue, 9 Oct 2001 06:56:43 +0000
Subject: [PATCH] 
 avoid-losing-when-sorting-server-prefs-if-a-server-has-left-out-from-under-us-while-we-were-playing-20011009

but it would be better to figure out how we're losing a server out from
under us.
---
 src/afs/afs_server.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/afs/afs_server.c b/src/afs/afs_server.c
index f60691c49..21a8898ef 100644
--- a/src/afs/afs_server.c
+++ b/src/afs/afs_server.c
@@ -801,10 +801,13 @@ void afs_SortServers(struct server *aservers[], int count)
     for (i=0; i<count; i++) {
        if (!aservers[i]) break;
        for (low=i,j=i+1; j<=count; j++) {
-	  if (!aservers[j]) break;
-	  if (aservers[j]->addr->sa_iprank < aservers[low]->addr->sa_iprank) {
-	     low = j;
-	  }
+	   if ((!aservers[j]) || (!aservers[j]->addr)) 
+	       break;
+	   if ((!aservers[low]) || (!aservers[low]->addr))
+	       break;
+	   if (aservers[j]->addr->sa_iprank < aservers[low]->addr->sa_iprank) {
+	       low = j;
+	   }
        }
        if (low != i) {
 	  ts = aservers[i]; 
-- 
2.39.5