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authorJerome Glisse <jglisse@redhat.com>2011-11-02 00:07:31 +0100
committerDave Airlie <airlied@redhat.com>2011-12-06 11:39:04 +0100
commitf9517e63ffae6a1062a0a2ac4eea60be49b9dfd4 (patch)
tree1b1504efaa7cc10bf04e51b51e6bf800c98ddb9f /drivers/gpu/drm/ttm/ttm_tt.c
parentdrm/ttm: use ttm put pages function to properly restore cache attribute (diff)
downloadlinux-f9517e63ffae6a1062a0a2ac4eea60be49b9dfd4.tar.xz
linux-f9517e63ffae6a1062a0a2ac4eea60be49b9dfd4.zip
drm/ttm: test for dma_address array allocation failure
Signed-off-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_tt.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_tt.c2
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 90527a2ce04c..54bbbadba93c 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;