---------------------
PatchSet 5933 
Date: 2007/10/08 12:28:55
Author: amosjeffries
Branch: squid3-ipv6
Tag: (none) 
Log:
Fix occasional segfault in ipcache.

Members: 
	src/ipcache.cc:1.9.2.46->1.9.2.47 

Index: squid3/src/ipcache.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/ipcache.cc,v
retrieving revision 1.9.2.46
retrieving revision 1.9.2.47
diff -u -r1.9.2.46 -r1.9.2.47
--- squid3/src/ipcache.cc	21 Sep 2007 12:34:15 -0000	1.9.2.46
+++ squid3/src/ipcache.cc	8 Oct 2007 12:28:55 -0000	1.9.2.47
@@ -1,6 +1,6 @@
 
 /*
- * $Id: ipcache.cc,v 1.9.2.46 2007/09/21 12:34:15 amosjeffries Exp $
+ * $Id: ipcache.cc,v 1.9.2.47 2007/10/08 12:28:55 amosjeffries Exp $
  *
  * DEBUG: section 14    IP Cache
  * AUTHOR: Harvest Derived
@@ -137,6 +137,16 @@
 static void
 ipcacheRelease(ipcache_entry * i, bool dofree)
 {
+    if(!i) {
+        debugs(14, 0, "ipcacheRelease: Releasing entry with i=<NULL>");
+        return;
+    }
+
+    if(!i || !i->hash.key) {
+        debugs(14, 0, "ipcacheRelease: Releasing entry without hash link!");
+        return;
+    }
+
     debugs(14, 3, "ipcacheRelease: Releasing entry for '" << (const char *) i->hash.key << "'");
 
     hash_remove_link(ip_table, (hash_link *) i);