diff options
| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2011-08-22 21:17:57 +0000 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2012-05-17 11:21:35 -0400 |
| commit | 1c0f1dabcdd6dd6d03e797e097b0bc061f419691 (patch) | |
| tree | 38427d37715129e1f4f40258510fab46922f6e79 | |
| parent | ba837d47c5a6fff2a5184eecb270aee44e8f8cff (diff) | |
drm/ttm: fix ttm_bo_add_ttm(user) failure path
commit 7c4c3960dff109bc5db4c35da481c212dadb5eb5 upstream.
ttm_tt_destroy kfrees passed object, so we need to nullify
a reference to it.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 0e3754a3a303..778fa1a9636a 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -343,8 +343,10 @@ static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc) ret = ttm_tt_set_user(bo->ttm, current, bo->buffer_start, bo->num_pages); - if (unlikely(ret != 0)) + if (unlikely(ret != 0)) { ttm_tt_destroy(bo->ttm); + bo->ttm = NULL; + } break; default: printk(KERN_ERR TTM_PFX "Illegal buffer object type\n"); |