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drm/radeon: reset BOs address after clearing it.

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Otherwise it is possible that we will have page table corruption
if we change a BOs address multiple times.

Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2015-04-27 17:04:35 +02:00 committed by Alex Deucher
parent 26d4d129b6
commit 48afbd70ac
1 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/radeon/radeon_vm.c
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@ -490,6 +490,8 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
spin_lock(&vm->status_lock); spin_lock(&vm->status_lock);
list_add(&tmp->vm_status, &vm->freed); list_add(&tmp->vm_status, &vm->freed);
spin_unlock(&vm->status_lock); spin_unlock(&vm->status_lock);
bo_va->addr = 0;
} }
interval_tree_remove(&bo_va->it, &vm->va); interval_tree_remove(&bo_va->it, &vm->va);