Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-31 23:31:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/radeon/kms/vm: fix possible bug in radeon_vm_bo_rmv()

Browse Source 
The bo is removed from the list at the top of
radeon_vm_bo_rmv(), but then the list is used
in radeon_vm_bo_update_pte() to look up the vm.
remove the bo_list entry at the end of the
function instead.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <j.glisse@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Sebastian Biemueller 2012-02-29 11:04:52 -05:00 committed by Dave Airlie
parent 1404547f3a
commit 108b0d3483
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/radeon/radeon_gart.c
View File

@ -597,13 +597,13 @@ int radeon_vm_bo_rmv(struct radeon_device *rdev,
if (bo_va == NULL)
return 0;
list_del(&bo_va->bo_list);
mutex_lock(&vm->mutex);
radeon_mutex_lock(&rdev->cs_mutex);
radeon_vm_bo_update_pte(rdev, vm, bo, NULL);
radeon_mutex_unlock(&rdev->cs_mutex);
list_del(&bo_va->vm_list);
mutex_unlock(&vm->mutex);
list_del(&bo_va->bo_list);
kfree(bo_va);
return 0;