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platform_drv: fix update_policy()

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The method did not handle device changes properly. When a new policy
does not contain an owned device any more, we must consider this device
as changed and release it.  Moreover, the warning messages were interchanged.

genodelabs/genode#4761
This commit is contained in:
Johannes Schlatow 2023-01-24 17:05:52 +01:00 committed by Christian Helmuth
parent 475bcfc2b9
commit 3520492f09
1 changed files with 2 additions and 2 deletions
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4
repos/os/src/drivers/platform/session_component.cc
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@ -84,13 +84,13 @@ void Session_component::update_policy(bool info, Policy_version version)
_devices.for_each([&] (Device const & dev) { _devices.for_each([&] (Device const & dev) {
if (dev.name() != dc.device()) if (dev.name() != dc.device())
return; return;
state = (dev.owner() == _owner_id) ? UNCHANGED : CHANGED; state = (dev.owner() == _owner_id && matches(dev)) ? UNCHANGED : CHANGED;
}); });
if (state == UNCHANGED) if (state == UNCHANGED)
return; return;
if (state == AWAY) if (state == CHANGED)
warning("Device ", dc.device(), warning("Device ", dc.device(),
" has changed, will close device session"); " has changed, will close device session");
else else