| Message ID | 1437673496-28843-1-git-send-email-robdclark@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c index dd7a7ab..831461b 100644 --- a/drivers/gpu/drm/msm/msm_gem_prime.c +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -23,8 +23,12 @@ struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - BUG_ON(!msm_obj->sgt); /* should have already pinned! */ - return msm_obj->sgt; + int npages = obj->size >> PAGE_SHIFT; + + if (WARN_ON(!msm_obj->pages)) /* should have already pinned! */ + return NULL; + + return drm_prime_pages_to_sg(msm_obj->pages, npages); } void *msm_gem_prime_vmap(struct drm_gem_object *obj)
We need to return a new sgt, since the caller takes ownership of it. Reported-by: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Rob Clark <robdclark@gmail.com> --- drivers/gpu/drm/msm/msm_gem_prime.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)