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drm/radeon: use after free in radeon_vm_bo_add()

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"bo_va" is dereferenced in the error message.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dan Carpenter 2012-01-09 15:44:50 +03:00 committed by Dave Airlie
parent b5215ef1a8
commit 55ba70c406
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/radeon/radeon_gart.c
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@ -494,10 +494,10 @@ int radeon_vm_bo_add(struct radeon_device *rdev,
}
if (bo_va->soffset >= tmp->soffset && bo_va->soffset < tmp->eoffset) {
/* bo and tmp overlap, invalid offset */
kfree(bo_va);
dev_err(rdev->dev, "bo %p va 0x%08X conflict with (bo %p 0x%08X 0x%08X)\n",
bo, (unsigned)bo_va->soffset, tmp->bo,
(unsigned)tmp->soffset, (unsigned)tmp->eoffset);
kfree(bo_va);
mutex_unlock(&vm->mutex);
return -EINVAL;
}