treewide: Replace kmalloc with kmalloc_obj for non-scalar types

This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:

Single allocations:	kmalloc(sizeof(TYPE), ...)
are replaced with:	kmalloc_obj(TYPE, ...)

Array allocations:	kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with:	kmalloc_objs(TYPE, COUNT, ...)

Flex array allocations:	kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with:	kmalloc_flex(*PTR, FAM, COUNT, ...)

(where TYPE may also be *VAR)

The resulting allocations no longer return "void *", instead returning
"TYPE *".

Signed-off-by: Kees Cook <kees@kernel.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c
index 98f3176366c0..10e8dbdc6a76 100644
--- a/drivers/gpu/drm/sun4i/sun4i_layer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_layer.c
@@ -29,7 +29,7 @@ static void sun4i_backend_layer_reset(struct drm_plane *plane)
 		plane->state = NULL;
 	}
 
-	state = kzalloc(sizeof(*state), GFP_KERNEL);
+	state = kzalloc_obj(*state, GFP_KERNEL);
 	if (state)
 		__drm_atomic_helper_plane_reset(plane, &state->state);
 }
@@ -40,7 +40,7 @@ sun4i_backend_layer_duplicate_state(struct drm_plane *plane)
 	struct sun4i_layer_state *orig = state_to_sun4i_layer_state(plane->state);
 	struct sun4i_layer_state *copy;
 
-	copy = kzalloc(sizeof(*copy), GFP_KERNEL);
+	copy = kzalloc_obj(*copy, GFP_KERNEL);
 	if (!copy)
 		return NULL;