imc: better condition to catch no result of database query

(cherry picked from commit 29d7ca7)
kamailio · May 19, 2015 · bae1539 · bae1539
1 parent a897784
commit bae1539
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/modules/imc/imc.c b/modules/imc/imc.c
@@ -200,10 +200,10 @@ int add_from_db(void)
 		LM_ERR("failed to querry table\n");
 		return -1;
 	}
-	if(r_res && r_res->n<=0)
+	if(r_res==NULL || r_res->n<=0)
 	{
 		LM_INFO("the query returned no result\n");
-		imc_dbf.free_result(imc_db, r_res);
+		if(r_res) imc_dbf.free_result(imc_db, r_res);
 		r_res = NULL;
 		return 0;
 	}