ctl.c: Fix off-by-one: FD=0 is a valid file descriptor

It is possible that fd=0 (stdin) is closed in a daemon scenario, and
subsequently fd=0 is reused for other files/sockets.

Change-Id: Id8279f04373e891009224bab34a4d1d886520fea

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ctl.c b/src/ctl.c
index a70556d..dd9155d 100644
--- a/src/ctl.c
+++ b/src/ctl.c
@@ -96,7 +96,7 @@ _e1d_ts_stop(struct e1_ts *ts)
 {
 	ts->mode = E1_TS_MODE_OFF;
 
-	if (ts->fd > 0) {
+	if (ts->fd >= 0) {
 		close(ts->fd);
 		ts->fd = -1;
 	}