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qemu-ga: Document intentional fall through in channel_event_cb()

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For clarity, and to hush up Coverity.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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Markus Armbruster 2013-01-11 11:24:57 +01:00 committed by Michael Roth
parent 9e92f6d462
commit f5b7957878
1 changed files with 1 additions and 0 deletions
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qga/main.c
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@ -618,6 +618,7 @@ static gboolean channel_event_cb(GIOCondition condition, gpointer data)
if (!s->virtio) { if (!s->virtio) {
return false; return false;
} }
/* fall through */
case G_IO_STATUS_AGAIN: case G_IO_STATUS_AGAIN:
/* virtio causes us to spin here when no process is attached to /* virtio causes us to spin here when no process is attached to
* host-side chardev. sleep a bit to mitigate this * host-side chardev. sleep a bit to mitigate this