Fix a bug in stringfields where it did not actually free the pools of memory.

(closes issue #15074)
Reported by: pj

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@197538 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/utils.c b/main/utils.c
index 59a29ce5acd267cd6a2ba3c1a04daa651dc869b4..fe2d083d584981477f3b47954870a2f9634336cd 100644 (file)
--- a/main/utils.c
+++ b/main/utils.c
@@ -1560,7 +1560,11 @@ int __ast_string_field_init(struct ast_string_field_mgr *mgr, struct ast_string_
        }
 
        if (needed < 0) {               /* reset all pools */
-               /* nothing to do */
+               if (*pool_head == NULL) {
+                       ast_log(LOG_WARNING, "trying to reset empty pool\n");
+                       return -1;
+               }
+               cur = *pool_head;
        } else if (mgr->embedded_pool) { /* preserve the embedded pool */
                preserve = mgr->embedded_pool;
                cur = *pool_head;