recv can return -1

2011-04-30 18:47:04 +00:00 · 2011-04-30 18:47:04 +00:00 · 01ba2ef2b0
commit 01ba2ef2b0
parent 38ec72ece3
1 changed files with 1 additions and 1 deletions
--- a/bochs/iodev/serial.cc
+++ b/bochs/iodev/serial.cc
@ -1388,7 +1388,7 @@ void bx_serial_c::rx_timer(void)
 #else
                read(socketid, &chbuf, 1);
 #endif
-            if (bytes) {
+            if (bytes > 0) {
              BX_INFO((" -- COM %d : read byte [%d]", port+1, chbuf));
              data_ready = 1;
            }