Commit 26d4d129 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/radeon: fix lockup when BOs aren't part of the VM on release



If we unmap BOs before releasing them them the intervall tree locks
up because we try to remove an entry not inside the tree.

Based on a patch from Michel Dänzer.
Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent cd17e02f
......@@ -1107,7 +1107,8 @@ void radeon_vm_bo_rmv(struct radeon_device *rdev,
list_del(&bo_va->bo_list);
mutex_lock(&vm->mutex);
interval_tree_remove(&bo_va->it, &vm->va);
if (bo_va->it.start || bo_va->it.last)
interval_tree_remove(&bo_va->it, &vm->va);
spin_lock(&vm->status_lock);
list_del(&bo_va->vm_status);
......
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