From: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/i915_query.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_query.c b/drivers/gpu/drm/i915/i915_query.c index ef25ce6e395e..ad8e55fe1e59 100644 --- a/drivers/gpu/drm/i915/i915_query.c +++ b/drivers/gpu/drm/i915/i915_query.c @@ -25,10 +25,6 @@ static int copy_query_item(void *query_hdr, size_t query_sz, query_sz)) return -EFAULT; - if (!access_ok(u64_to_user_ptr(query_item->data_ptr), - total_length)) - return -EFAULT; - return 0; } @@ -72,20 +68,20 @@ static int query_topology_info(struct drm_i915_private *dev_priv, topo.eu_offset = slice_length + subslice_length; topo.eu_stride = sseu->eu_stride; - if (__copy_to_user(u64_to_user_ptr(query_item->data_ptr), + if (copy_to_user(u64_to_user_ptr(query_item->data_ptr), &topo, sizeof(topo))) return -EFAULT; - if (__copy_to_user(u64_to_user_ptr(query_item->data_ptr + sizeof(topo)), + if (copy_to_user(u64_to_user_ptr(query_item->data_ptr + sizeof(topo)), &sseu->slice_mask, slice_length)) return -EFAULT; - if (__copy_to_user(u64_to_user_ptr(query_item->data_ptr + + if (copy_to_user(u64_to_user_ptr(query_item->data_ptr + sizeof(topo) + slice_length), sseu->subslice_mask, subslice_length)) return -EFAULT; - if (__copy_to_user(u64_to_user_ptr(query_item->data_ptr + + if (copy_to_user(u64_to_user_ptr(query_item->data_ptr + sizeof(topo) + slice_length + subslice_length), sseu->eu_mask, eu_length)) @@ -131,14 +127,14 @@ query_engine_info(struct drm_i915_private *i915, info.engine.engine_instance = engine->uabi_instance; info.capabilities = engine->uabi_capabilities; - if (__copy_to_user(info_ptr, &info, sizeof(info))) + if (copy_to_user(info_ptr, &info, sizeof(info))) return -EFAULT; query.num_engines++; info_ptr++; } - if (__copy_to_user(query_ptr, &query, sizeof(query))) + if (copy_to_user(query_ptr, &query, sizeof(query))) return -EFAULT; return len; -- 2.11.0
