Delete input event when evbuffer_read() fails to avoid just spinning

around a dead file descriptor. Seems to fix a problem reported by Greg
Hurrell in GitHub issue 941.

1 files changed, 3 insertions, 1 deletions

diff --git a/tty.c b/tty.c
index 3d0e210b..77291daa 100644
--- a/tty.c
+++ b/tty.c
@@ -159,8 +159,10 @@ tty_read_callback(__unused int fd, __unused short events, void *data)
 	int		 nread;
 
 	nread = evbuffer_read(tty->in, tty->fd, -1);
-	if (nread == -1)
+	if (nread == -1) {
+		event_del(&tty->event_in);
 		return;
+	}
 	log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
 
 	while (tty_keys_next(tty))