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treewide: Replace kmalloc with kmalloc_obj for non-scalar types

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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>
This commit is contained in:
Kees Cook
2026-02-20 23:49:23 -08:00
parent d39a1d7486
commit 69050f8d6d
8016 changed files with 20055 additions and 20913 deletions
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8
drivers/rpmsg/mtk_rpmsg.c
View File

@@ -91,7 +91,7 @@ __mtk_create_ept(struct mtk_rpmsg_rproc_subdev *mtk_subdev,
struct platform_device *pdev = mtk_subdev->pdev;
int ret;
mept = kzalloc(sizeof(*mept), GFP_KERNEL);
mept = kzalloc_obj(*mept, GFP_KERNEL);
if (!mept)
return NULL;
mept->mtk_subdev = mtk_subdev;
@@ -201,7 +201,7 @@ static int mtk_rpmsg_register_device(struct mtk_rpmsg_rproc_subdev *mtk_subdev,
struct mtk_rpmsg_device *mdev;
struct platform_device *pdev = mtk_subdev->pdev;
mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
mdev = kzalloc_obj(*mdev, GFP_KERNEL);
if (!mdev)
return -ENOMEM;
@@ -252,7 +252,7 @@ static int mtk_rpmsg_create_device(struct mtk_rpmsg_rproc_subdev *mtk_subdev,
{
struct mtk_rpmsg_channel_info *info;
info = kzalloc(sizeof(*info), GFP_KERNEL);
info = kzalloc_obj(*info, GFP_KERNEL);
if (!info)
return -ENOMEM;
@@ -380,7 +380,7 @@ mtk_rpmsg_create_rproc_subdev(struct platform_device *pdev,
{
struct mtk_rpmsg_rproc_subdev *mtk_subdev;
mtk_subdev = kzalloc(sizeof(*mtk_subdev), GFP_KERNEL);
mtk_subdev = kzalloc_obj(*mtk_subdev, GFP_KERNEL);
if (!mtk_subdev)
return NULL;