manager: fix race condition when resuming from sleep

If the device state change (to disconnected or unmanaged) triggered by
a sleep event happens after the wake, the devices becomes wrongly
unmanaged and it's necessary to manually manage it again, or restart
NM.

During the wake event we should disconnect the device_sleep_cb()
callback for all devices because we don't want to react to state
changes anymore; in particular we don't need to detect when the device
becomes disconnected to unmanage it.

(cherry picked from commit fe2d93980b)
(cherry picked from commit 971897195a)
(cherry picked from commit 7913275b02)
This commit is contained in:
Beniamino Galvani 2020-07-16 11:57:14 +02:00
parent da54b35af3
commit 6d0e8a2acf

View file

@ -5993,8 +5993,9 @@ do_sleep_wake (NMManager *self, gboolean sleeping_changed)
} else {
_LOGD (LOGD_SUSPEND, "sleep: %s...", waking_from_suspend ? "waking up" : "re-enabling");
sleep_devices_clear (self);
if (waking_from_suspend) {
sleep_devices_clear (self);
c_list_for_each_entry (device, &priv->devices_lst_head, devices_lst) {
if (nm_device_is_software (device))
continue;