FS-5819 remove pointless comparison

diff --git a/src/mod/endpoints/mod_skinny/skinny_server.c b/src/mod/endpoints/mod_skinny/skinny_server.c
index b586c96c9350495d12e593fc2002d4572bb5266e..9550cb694a9b1b0f1f301a35048c3d1f618de75d 100644 (file)
--- a/src/mod/endpoints/mod_skinny/skinny_server.c
+++ b/src/mod/endpoints/mod_skinny/skinny_server.c
@@ -1260,7 +1260,7 @@ switch_status_t skinny_handle_keypad_button_message(listener_t *listener, skinny
                        digit = '*';
                } else if (request->data.keypad_button.button == 15) {
                        digit = '#';
-               } else if (request->data.keypad_button.button >= 0 && request->data.keypad_button.button <= 9) {
+               } else if (request->data.keypad_button.button <= 9) { /* unsigned, so guaranteed to be >= 0 */
                        digit = '0' + request->data.keypad_button.button;
                } else {
                        switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "UNKNOW DTMF RECEIVED ON CALL %d [%d]\n", tech_pvt->call_id, request->data.keypad_button.button);