X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Ftty%2Fcyclades.c;h=33f83fee9faec6be78206ebbc4aeee5ba1702fc8;hb=2075186d012c815911494f34fc16aef7c8f3492b;hp=345bd0e0884ef73439be07a4d81741bd7a78732e;hpb=69df2ac1288b456a95aceadafbf88cd891a577c8;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c
index 345bd0e0884e..33f83fee9fae 100644
--- a/drivers/tty/cyclades.c
+++ b/drivers/tty/cyclades.c
@@ -1124,14 +1124,8 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
 					readl(&info->u.cyz.ch_ctrl->rs_status);
 				if (dcd & C_RS_DCD)
 					wake_up_interruptible(&info->port.open_wait);
-				else {
-					struct tty_struct *tty;
-					tty = tty_port_tty_get(&info->port);
-					if (tty) {
-						tty_hangup(tty);
-						tty_kref_put(tty);
-					}
-				}
+				else
+					tty_port_tty_hangup(&info->port, false);
 			}
 			break;
 		case C_CM_MCTS: