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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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10
drivers/rpmsg/virtio_rpmsg_bus.c
View File

@@ -210,7 +210,7 @@ static struct rpmsg_endpoint *__rpmsg_create_ept(struct virtproc_info *vrp,
struct rpmsg_endpoint *ept;
struct device *dev = rpdev ? &rpdev->dev : &vrp->vdev->dev;
ept = kzalloc(sizeof(*ept), GFP_KERNEL);
ept = kzalloc_obj(*ept, GFP_KERNEL);
if (!ept)
return NULL;
@@ -400,7 +400,7 @@ static struct rpmsg_device *__rpmsg_create_channel(struct virtproc_info *vrp,
return NULL;
}
vch = kzalloc(sizeof(*vch), GFP_KERNEL);
vch = kzalloc_obj(*vch, GFP_KERNEL);
if (!vch)
return NULL;
@@ -779,7 +779,7 @@ static struct rpmsg_device *rpmsg_virtio_add_ctrl_dev(struct virtio_device *vdev
struct rpmsg_device *rpdev_ctrl;
int err = 0;
vch = kzalloc(sizeof(*vch), GFP_KERNEL);
vch = kzalloc_obj(*vch, GFP_KERNEL);
if (!vch)
return ERR_PTR(-ENOMEM);
@@ -825,7 +825,7 @@ static int rpmsg_probe(struct virtio_device *vdev)
size_t total_buf_space;
bool notify;
vrp = kzalloc(sizeof(*vrp), GFP_KERNEL);
vrp = kzalloc_obj(*vrp, GFP_KERNEL);
if (!vrp)
return -ENOMEM;
@@ -898,7 +898,7 @@ static int rpmsg_probe(struct virtio_device *vdev)
/* if supported by the remote processor, enable the name service */
if (virtio_has_feature(vdev, VIRTIO_RPMSG_F_NS)) {
vch = kzalloc(sizeof(*vch), GFP_KERNEL);
vch = kzalloc_obj(*vch, GFP_KERNEL);
if (!vch) {
err = -ENOMEM;
goto free_ctrldev;