From: Jerome Glisse <jgli...@redhat.com>
Signed-off-by: Jerome Glisse <jgli...@redhat.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
Reviewed-by: Thomas Hellstrom <thellst...@vmware.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 90527a2..54bbbad 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -320,7 +320,7 @@ 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;
--
1.7.7.1
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