tool_getparam: fix memory leak on error in parse_ech

- Free tmpcfg memory before returning an error code if aprintf failed.

Closes https://github.com/curl/curl/pull/15753

diff --git a/src/tool_getparam.c b/src/tool_getparam.c
index 0a41ea79b7df5c987ab1044630cbb5bfa301ea48..9fb729086bed33f6ae0c374867e4ba49883e27b3 100644 (file)
--- a/src/tool_getparam.c
+++ b/src/tool_getparam.c
@@ -1169,9 +1169,9 @@ static ParameterError parse_ech(struct GlobalConfig *global,
       if(err)
         return err;
       config->ech_config = aprintf("ecl:%s",tmpcfg);
+      free(tmpcfg);
       if(!config->ech_config)
         return PARAM_NO_MEM;
-      free(tmpcfg);
     } /* file done */
   }
   else {