Drop dead assignments

diff --git a/src/switch_core.c b/src/switch_core.c
index b09a576ef81c247782b483f79587a25b5483a713..843fcc3953cb1bf03c0ab005c6b34aa7fb9fab3a 100644 (file)
--- a/src/switch_core.c
+++ b/src/switch_core.c
@@ -1538,12 +1538,10 @@ static void switch_core_set_serial(void)
                        bytes = write(write_fd, buf, sizeof(buf));
                        bytes++;
                        close(write_fd);
-                       write_fd = -1;
                }
        } else {
                bytes = read(fd, buf, sizeof(buf));
                close(fd);
-               fd = -1;
        }
 
        switch_core_set_variable("switch_serial", buf);