diff options
| author | Amit Shah <amit.shah@redhat.com> | 2010-05-20 06:15:47 +0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2010-05-19 14:45:47 +0200 |
| commit | eaeff9608a8cf43a676b6f4b6235ea9d76192230 (patch) | |
| tree | 256259307b5ea4d2985d998896b10b1194182aa6 /drivers/char | |
| parent | virtio: console: Add a __send_control_msg() that can send messages without a ... (diff) | |
| download | linux-eaeff9608a8cf43a676b6f4b6235ea9d76192230.tar.xz linux-eaeff9608a8cf43a676b6f4b6235ea9d76192230.zip | |
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 <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/virtio_console.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 8c24b86aadc9..f63bf77a4825 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; } |