Fix potential memory leaks.

ABE-1998

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@223211 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/apps/app_dial.c b/apps/app_dial.c
index 2e60df1..19e1148 100644 (file)
--- a/apps/app_dial.c
+++ b/apps/app_dial.c
@@ -582,6 +582,12 @@ struct chanlist {
 
 static int detect_disconnect(struct ast_channel *chan, char code, struct ast_str *featurecode);
 
+static void chanlist_free(struct chanlist *outgoing)
+{
+       ast_party_connected_line_free(&outgoing->connected);
+       ast_free(outgoing);
+}
+
 static void hanguptree(struct chanlist *outgoing, struct ast_channel *exception, int answered_elsewhere)
 {
        /* Hang up a tree of stuff */
@@ -600,7 +606,7 @@ static void hanguptree(struct chanlist *outgoing, struct ast_channel *exception,
                }
                oo = outgoing;
                outgoing = outgoing->next;
-               ast_free(oo);
+               chanlist_free(oo);
        }
 }
 
@@ -1719,14 +1725,15 @@ static int dial_exec_full(struct ast_channel *chan, const char *data, struct ast
                else {
                        if (!(datastore = ast_datastore_alloc(&dialed_interface_info, NULL))) {
                                ast_log(LOG_WARNING, "Unable to create channel datastore for dialed interfaces. Aborting!\n");
-                               ast_free(tmp);
+                               chanlist_free(tmp);
                                goto out;
                        }
 
                        datastore->inheritance = DATASTORE_INHERIT_FOREVER;
 
                        if (!(dialed_interfaces = ast_calloc(1, sizeof(*dialed_interfaces)))) {
-                               ast_free(tmp);
+                               ast_datastore_free(datastore);
+                               chanlist_free(tmp);
                                goto out;
                        }
 
@@ -1750,7 +1757,7 @@ static int dial_exec_full(struct ast_channel *chan, const char *data, struct ast
 
                if (di) {
                        fulldial++;
-                       ast_free(tmp);
+                       chanlist_free(tmp);
                        continue;
                }
 
@@ -1761,7 +1768,7 @@ static int dial_exec_full(struct ast_channel *chan, const char *data, struct ast
                if (strcasecmp(tech, "Local")) {
                        if (!(di = ast_calloc(1, sizeof(*di) + strlen(interface)))) {
                                AST_LIST_UNLOCK(dialed_interfaces);
-                               ast_free(tmp);
+                               chanlist_free(tmp);
                                goto out;
                        }
                        strcpy(di->interface, interface);
@@ -1779,7 +1786,7 @@ static int dial_exec_full(struct ast_channel *chan, const char *data, struct ast
                        handle_cause(cause, &num);
                        if (!rest) /* we are on the last destination */
                                chan->hangupcause = cause;
-                       ast_free(tmp);
+                       chanlist_free(tmp);
                        continue;
                }
                pbx_builtin_setvar_helper(tc, "DIALEDPEERNUMBER", numsubst);
@@ -1868,7 +1875,7 @@ static int dial_exec_full(struct ast_channel *chan, const char *data, struct ast
                        ast_channel_unlock(chan);
                        ast_hangup(tc);
                        tc = NULL;
-                       ast_free(tmp);
+                       chanlist_free(tmp);
                        continue;
                } else {
                        const char *tmpexten = ast_strdupa(S_OR(chan->macroexten, chan->exten));