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| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2011-08-22 21:17:57 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-08-23 09:34:18 +0100 |
| commit | 7c4c3960dff109bc5db4c35da481c212dadb5eb5 (patch) | |
| tree | 30e6dcabe064a1c893fb2721224b7eefffa90419 /drivers/gpu | |
| parent | ba95c45a78d57ac05bf45d81b92a6ec4d299695d (diff) | |
| download | lwn-7c4c3960dff109bc5db4c35da481c212dadb5eb5.tar.gz lwn-7c4c3960dff109bc5db4c35da481c212dadb5eb5.zip | |
drm/ttm: fix ttm_bo_add_ttm(user) failure path
ttm_tt_destroy kfrees passed object, so we need to nullify
a reference to it.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: stable@kernel.org
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -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 56619f64b6bf..384116afe5b7 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"); |