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drm/ttm: fix unreachable code. 

None of the in-tree drivers use user objects yet so this wasn't hitting
us.

Stanse found unreachable code in ttm_bo_add_ttm:
http://decibel.fi.muni.cz/~xslaby/stanse/error.cgi?db=32&id=714#l238

Reported-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-12-08 09:25:45 +10:00
parent ab2c067298
commit 447aeb907e
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/ttm/ttm_bo.c
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@ -275,9 +275,10 @@ static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc)
bo->ttm = ttm_tt_create(bdev, bo->num_pages << PAGE_SHIFT,
page_flags | TTM_PAGE_FLAG_USER,
glob->dummy_read_page);
if (unlikely(bo->ttm == NULL))
if (unlikely(bo->ttm == NULL)) {
ret = -ENOMEM;
break;
break;
}
ret = ttm_tt_set_user(bo->ttm, current,
bo->buffer_start, bo->num_pages);