fix leak

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11932 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/applications/mod_limit/mod_limit.c b/src/mod/applications/mod_limit/mod_limit.c
index 9fb578fc6b2cdc3fddec076762d8bb03169619d3..32d22587d7e0764c6e5bd6832d07dbd649044366 100644 (file)
--- a/src/mod/applications/mod_limit/mod_limit.c
+++ b/src/mod/applications/mod_limit/mod_limit.c
@@ -422,6 +422,7 @@ SWITCH_STANDARD_API(db_api_function)
                cbt.len = sizeof(buf);
                sql = switch_mprintf("select data from db_data where realm='%q' and data_key='%q'", argv[1], argv[2]);
                limit_execute_sql_callback(NULL, sql, sql2str_callback, &cbt);
+               switch_safe_free(sql);
                stream->write_function(stream, "%s", buf);
                goto done;
        }
@@ -476,9 +477,10 @@ SWITCH_STANDARD_APP(db_function)
                return;
        }
 
-       switch_assert(sql);
-       limit_execute_sql(sql, globals.mutex);
-       switch_safe_free(sql);
+       if (sql) {
+               limit_execute_sql(sql, globals.mutex);
+               switch_safe_free(sql);
+       }
 }
 
 #define HASH_USAGE "[insert|delete]/<realm>/<key>/<val>"
@@ -648,8 +650,11 @@ SWITCH_STANDARD_API(group_api_function)
                assert(sql);
 
                limit_execute_sql_callback(NULL, sql, group_callback, &cbt);
+               switch_safe_free(sql);
+               
                *(buf + (strlen(buf) - 1)) = '\0';
                stream->write_function(stream, "%s", buf);
+
                goto done;
        }
 
@@ -750,6 +755,7 @@ SWITCH_STANDARD_APP(limit_function)
        cbt.len = sizeof(buf);
        sql = switch_mprintf("select count(hostname) from limit_data where realm='%q' and id like '%q'", realm, id);
        limit_execute_sql_callback(NULL, sql, sql2str_callback, &cbt);
+       switch_safe_free(sql);
        got = atoi(buf);
 
        if (got + 1 > max) {