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, 3 insertions, 3 deletions

diff --git a/drivers/base/component.c b/drivers/base/component.c
index 024ad9471b8a..fef563aa13e5 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -363,7 +363,7 @@ static int component_match_realloc(struct component_match *match, size_t num)
 	if (match->alloc == num)
 		return 0;
 
-	new = kmalloc_array(num, sizeof(*new), GFP_KERNEL);
+	new = kmalloc_objs(*new, num, GFP_KERNEL);
 	if (!new)
 		return -ENOMEM;
 
@@ -521,7 +521,7 @@ int component_master_add_with_match(struct device *parent,
 	if (ret)
 		return ret;
 
-	adev = kzalloc(sizeof(*adev), GFP_KERNEL);
+	adev = kzalloc_obj(*adev, GFP_KERNEL);
 	if (!adev)
 		return -ENOMEM;
 
@@ -732,7 +732,7 @@ static int __component_add(struct device *dev, const struct component_ops *ops,
 	struct component *component;
 	int ret;
 
-	component = kzalloc(sizeof(*component), GFP_KERNEL);
+	component = kzalloc_obj(*component, GFP_KERNEL);
 	if (!component)
 		return -ENOMEM;