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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-01-29 11:33:37 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-01-29 11:33:37 +1100 |
| commit | dfd0436ad0ce139467b124c646fa65ee2635e14a (patch) | |
| tree | abf9d83c704417cdd484243c12aeffee6b185aba /drivers/gpu/drm/ttm/ttm_bo_util.c | |
| parent | b9818c3312da66f4b83a4a2e8650628be1237cb5 (diff) | |
| parent | 689dfa894c57842a05bf6dc9f97e6bb71ec5f386 (diff) | |
| download | linux-dfd0436ad0ce139467b124c646fa65ee2635e14a.tar.bz2 | |
Merge branch 'merge' into next
Merge "merge" branch to bring in various bug fixes that are
going into 3.8
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_util.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_util.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index d73d6e3e17b2..44420fca7dfa 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -344,8 +344,12 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, if (ttm->state == tt_unpopulated) { ret = ttm->bdev->driver->ttm_tt_populate(ttm); - if (ret) + if (ret) { + /* if we fail here don't nuke the mm node + * as the bo still owns it */ + old_copy.mm_node = NULL; goto out1; + } } add = 0; @@ -371,8 +375,11 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, prot); } else ret = ttm_copy_io_page(new_iomap, old_iomap, page); - if (ret) + if (ret) { + /* failing here, means keep old copy as-is */ + old_copy.mm_node = NULL; goto out1; + } } mb(); out2: |