From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Hellstrom <thellstrom@vmware.com>
Subject: Re: [PATCH 06/12] drm/ttm: test for dma_address array allocation
	failure
Date: Tue, 08 Nov 2011 09:12:06 +0100
Message-ID: <4EB8E456.9090500@vmware.com>
References: <1320709232-29477-1-git-send-email-j.glisse@gmail.com>
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Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>

On 11/08/2011 12:40 AM, j.glisse@gmail.com wrote:
> From: Jerome Glisse<jglisse@redhat.com>
>
> Signed-off-by: Jerome Glisse<jglisse@redhat.com>
> Reviewed-by: Konrad Rzeszutek Wilk<konrad.wilk@oracle.com>
> ---
>   drivers/gpu/drm/ttm/ttm_tt.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
> index 2dd45ca..58ea7dc 100644
> --- a/drivers/gpu/drm/ttm/ttm_tt.c
> +++ b/drivers/gpu/drm/ttm/ttm_tt.c
> @@ -298,7 +298,7 @@ struct ttm_tt *ttm_tt_create(struct ttm_bo_device *bdev, unsigned long size,
>   	ttm->dummy_read_page = dummy_read_page;
>
>   	ttm_tt_alloc_page_directory(ttm);
> -	if (!ttm->pages) {
> +	if (!ttm->pages || !ttm->dma_address) {
>   		ttm_tt_destroy(ttm);
>   		printk(KERN_ERR TTM_PFX "Failed allocating page table\n");
>   		return NULL;
>