diff options
| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2011-08-22 21:17:57 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-08-29 13:29:15 -0700 |
| commit | 0cfbab6a0b26aaf895d36ecd6fd2a1c5bde83841 (patch) | |
| tree | f5dfb8494b156e28972f8d43b9ac873d6e697df6 | |
| parent | 2498959a006e04fb2491e44796a88082dba5923f (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: Greg Kroah-Hartman <gregkh@suse.de>
| -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 2e618b5ac46..b7f0726645a 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -353,8 +353,10 @@ 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"); |