fix a small memory leak, from brian

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1880 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/cdr/cdr_odbc.c b/cdr/cdr_odbc.c
index a54db76..c9209a3 100755 (executable)
--- a/cdr/cdr_odbc.c
+++ b/cdr/cdr_odbc.c
@@ -38,7 +38,7 @@ static char *desc = "ODBC CDR Backend";
 static char *name = "ODBC";
 static char *config = "cdr_odbc.conf";
 static char *dsn = NULL, *username = NULL, *password = NULL, *loguniqueid = NULL;
-static int dsn_alloc = 0, username_alloc = 0, password_alloc = 0;
+static int dsn_alloc = 0, username_alloc = 0, password_alloc = 0, loguniqueid_alloc = 0;
 static int connected = 0;
 
 static ast_mutex_t odbc_lock = AST_MUTEX_INITIALIZER;
@@ -226,6 +226,14 @@ static int odbc_unload_module(void)
                password = NULL;
                password_alloc = 0;
        }
+       if (loguniqueid && loguniqueid_alloc)
+       {
+               if(option_verbose > 3)
+                       ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: free loguniqueid\n");
+               free(loguniqueid);
+               loguniqueid = NULL;
+               loguniqueid_alloc = 0;
+       }
        ast_cdr_unregister(name);
        ast_mutex_unlock(&odbc_lock);
        return 0;
@@ -323,11 +331,13 @@ static int odbc_load_module(void)
                if (loguniqueid != NULL)
                {
                        strcpy(loguniqueid,tmp);
+                       loguniqueid_alloc = 1;
                        ast_log(LOG_WARNING,"cdr_odbc: Logging uniqueid\n");
                }
                else
                {
                        ast_log(LOG_ERROR,"cdr_odbc: Not logging uniqueid\n");
+                       loguniqueid_alloc = 1;
                        loguniqueid = NULL;
                }
        }