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drm/radeon: fix missing bo reservation

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Otherwise we might get a crash here.

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 2014-02-20 18:47:14 +01:00 committed by Alex Deucher
parent 9f050c7f97
commit 5e386b574c
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/radeon/radeon_kms.c
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@ -537,6 +537,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
radeon_vm_init(rdev, &fpriv->vm);
r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
if (r)
return r;
/* map the ib pool buffer read only into
* virtual address space */
bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
@ -544,6 +548,8 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
RADEON_VM_PAGE_READABLE |
RADEON_VM_PAGE_SNOOPED);
radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
if (r) {
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);