X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/blobdiff_plain/57962f80aecf03c023853992fea471246a0adc3a..8a27f1c965140ec72dd069582960c64ba9ecf534:/sys/dev/netif/cx/cx.c

diff --git a/sys/dev/netif/cx/cx.c b/sys/dev/netif/cx/cx.c
index d58fe226ed..9249142e63 100644
--- a/sys/dev/netif/cx/cx.c
+++ b/sys/dev/netif/cx/cx.c
@@ -728,12 +728,12 @@ cxparam (struct tty *tp, struct termios *t)
 void
 cxstop (struct tty *tp, int flag)
 {
-	cx_chan_t *c = cxchan[UNIT(tp->t_dev)];
-	unsigned short port = c->chip->port;
-
 	crit_enter();
 
 	if (tp->t_state & TS_BUSY) {
+		cx_chan_t *c = cxchan[UNIT(tp->t_dev)];
+		unsigned short port = c->chip->port;
+
 		print (("cx%d.%d: cxstop\n", c->board->num, c->num));
 
 		/* Set current channel number */