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usb-host: attach only to running guest 

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-06-08 13:02:52 +02:00
parent 30e9d4120f
commit a844ed842d
1 changed files with 17 additions and 15 deletions
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32
hw/usb/host-linux.c
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@ -1737,25 +1737,27 @@ static void usb_host_auto_check(void *unused)
struct USBHostDevice *s;
int unconnected = 0;
usb_host_scan(NULL, usb_host_auto_scan);
if (runstate_is_running()) {
usb_host_scan(NULL, usb_host_auto_scan);
QTAILQ_FOREACH(s, &hostdevs, next) {
if (s->fd == -1) {
unconnected++;
QTAILQ_FOREACH(s, &hostdevs, next) {
if (s->fd == -1) {
unconnected++;
}
if (s->seen == 0) {
s->errcount = 0;
}
s->seen = 0;
}
if (s->seen == 0) {
s->errcount = 0;
}
s->seen = 0;
}
if (unconnected == 0) {
/* nothing to watch */
if (usb_auto_timer) {
qemu_del_timer(usb_auto_timer);
trace_usb_host_auto_scan_disabled();
if (unconnected == 0) {
/* nothing to watch */
if (usb_auto_timer) {
qemu_del_timer(usb_auto_timer);
trace_usb_host_auto_scan_disabled();
}
return;
}
return;
}
if (!usb_auto_timer) {