Slightly better unstrumentation of file descriptor operations.

1 files changed, 1 insertions, 0 deletions

diff --git a/serial.c b/serial.c
index d1553241..41861448 100644
--- a/serial.c
+++ b/serial.c
@@ -193,5 +193,6 @@ void gpsd_close(struct gps_device_t *session)
 	session->ttyset_old.c_cflag |= HUPCL;
 	(void)tcsetattr(session->gpsdata.gps_fd,TCSANOW,&session->ttyset_old);
 	(void)close(session->gpsdata.gps_fd);
+	session->gpsdata.gps_fd = -1;
     }
 }