ttm_tt_destroy kfrees passed object, so we need to nullify
a reference to it.
Signed-off-by: Marcin Slusarz <marcin.slusarz@xxxxxxxxx>
Cc: stable@xxxxxxxxxx
---
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 251df77..2e8f929 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");
--
1.7.6
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