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gpu/intel: use _owner.cap during session destruction

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'cap()' will return invalid capability within session destructor, therefore Vram
objects that belong to the session will not be destroyed, leading to danling
references later on. Use '_owner.cap' of session instead.
This commit is contained in:
Sebastian Sumpf 2023-03-15 15:00:09 +01:00 committed by Norman Feske
parent 61926ebc07
commit 40333a8ee2
1 changed files with 5 additions and 1 deletions
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6
repos/os/src/drivers/gpu/intel/main.cc
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@ -1805,7 +1805,11 @@ class Gpu::Session_component : public Genode::Session_object<Gpu::Session>
_apply_vram(vram_local, [&](Vram &vram) {
if (vram.owner(cap()) == false) return false;
/*
* Note: cap() will return invalid cap at this point, so use
* _owner.cap
*/
if (vram.owner(_owner.cap) == false) return false;
if (vram.map.offset != Igd::Ggtt::Mapping::INVALID_OFFSET) {
_device.unmap_vram(_heap, vram.map);