From 48b54529a0c99dfdaf390682b35c19938908212a Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Thu, 2 Sep 2010 18:11:45 +0530
Subject: [PATCH] --- yaml --- r: 211647 b: refs/heads/master c:
 b3dddb9e6ddab74327f5557c1a6640ea0f56ad1c h: refs/heads/master i:   211645:
 f8a1c12ff1066fb997571bb48a46040801a9c146   211643:
 da64643ef6f62b1bcb17ba0f777feaea210c67be   211639:
 ad7ff58bf3a62c0671cd42324baf8f21ad8b699b   211631:
 a01ca05ff68f636d9d9070c05097451eefab41aa   211615:
 d110b1eb9cc07fce243e43cc435a4024b7c70ccb   211583:
 b6c4a791c07ea2671b2e11773daa95190f966ab1 v: v3

---
 [refs]                              | 2 +-
 trunk/drivers/char/virtio_console.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 4fc5fc4b0f98..cb7bee521882 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8529a504273d4efa6bb004dcd6ef28fe67b64ae9
+refs/heads/master: b3dddb9e6ddab74327f5557c1a6640ea0f56ad1c
diff --git a/trunk/drivers/char/virtio_console.c b/trunk/drivers/char/virtio_console.c
index 47b710ca4ab3..e17ecf5d42b5 100644
--- a/trunk/drivers/char/virtio_console.c
+++ b/trunk/drivers/char/virtio_console.c
@@ -582,6 +582,9 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
 		if (ret < 0)
 			return ret;
 	}
+	/* Port got hot-unplugged. */
+	if (!port->guest_connected)
+		return -ENODEV;
 	/*
 	 * We could've received a disconnection message while we were
 	 * waiting for more data.