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yaml --- r: 211644 b: refs/heads/master c: 84ec06c h: refs/heads/master v: v3
git-mirror · Oct 21, 2010 · d75f23a · d75f23a
1 parent da64643
commit d75f23a
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 96eb872b2a041b1536ccc6ae2fa87eb28f6e2bb2
+refs/heads/master: 84ec06c59a14d0941dd58ca6793b24a7e86b3b85
diff --git a/trunk/drivers/char/virtio_console.c b/trunk/drivers/char/virtio_console.c
@@ -410,7 +410,10 @@ static ssize_t __send_control_msg(struct ports_device *portdev, u32 port_id,
 static ssize_t send_control_msg(struct port *port, unsigned int event,
 				unsigned int value)
 {
-	return __send_control_msg(port->portdev, port->id, event, value);
+	/* Did the port get unplugged before userspace closed it? */
+	if (port->portdev)
+		return __send_control_msg(port->portdev, port->id, event, value);
+	return 0;
 }
 
 /* Callers must take the port->outvq_lock */