Fix invalid memory read error (#90)

Tero Heinonen · web-flow · commit bca55ce82af6 · 2018-01-15T15:36:07.000+02:00
Fixed invalid memory read error. Transaction can be freed in tx-callback, it
should not be used after that.
diff --git a/source/coap_message_handler.c b/source/coap_message_handler.c
@@ -381,7 +381,7 @@ uint16_t coap_message_handler_request_send(coap_msg_handler_t *handle, int8_t se
         //No response expected
         return 0;
     }
-    return transaction_ptr->msg_id;
+    return request.msg_id;
 }
 
 static int8_t coap_message_handler_resp_build_and_send(coap_msg_handler_t *handle, sn_coap_hdr_s *coap_msg_ptr, coap_transaction_t *transaction_ptr)

Original file line number	Diff line number	Diff line change
`@@ -381,7 +381,7 @@ uint16_t coap_message_handler_request_send(coap_msg_handler_t *handle, int8_t se`
`381`	`381`	`//No response expected`
`382`	`382`	`return 0;`
`383`	`383`	`}`
`384`		`- return transaction_ptr->msg_id;`
	`384`	`+ return request.msg_id;`
`385`	`385`	`}`
`386`	`386`
`387`	`387`	`static int8_t coap_message_handler_resp_build_and_send(coap_msg_handler_t handle, sn_coap_hdr_s coap_msg_ptr, coap_transaction_t *transaction_ptr)`