From eaeff9608a8cf43a676b6f4b6235ea9d76192230 Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Wed, 19 May 2010 22:15:47 -0600 Subject: virtio: console: Let host know of port or device add failures The host may want to know and let management apps notify of port or device add failures. Send a control message saying the device or port is not ready in this case. Signed-off-by: Amit Shah Signed-off-by: Rusty Russell --- drivers/char/virtio_console.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/char') diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 8c24b86aadc..f63bf77a482 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1210,6 +1210,8 @@ free_cdev: free_port: kfree(port); fail: + /* The host might want to notify management sw about port add failure */ + send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 0); return err; } @@ -1488,6 +1490,9 @@ free_chrdev: free: kfree(portdev); fail: + /* The host might want to notify mgmt sw about device add failure */ + __send_control_msg(portdev, VIRTIO_CONSOLE_BAD_ID, + VIRTIO_CONSOLE_DEVICE_READY, 0); return err; } -- cgit v1.2.3-70-g09d2