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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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9
drivers/s390/crypto/zcrypt_api.c
View File

@@ -397,7 +397,7 @@ static int zcdn_create(const char *name)
}
/* alloc and prepare a new zcdn device */
zcdndev = kzalloc(sizeof(*zcdndev), GFP_KERNEL);
zcdndev = kzalloc_obj(*zcdndev, GFP_KERNEL);
if (!zcdndev) {
rc = -ENOMEM;
goto unlockout;
@@ -1065,7 +1065,7 @@ static long _zcrypt_send_ep11_cprb(u32 xflags, struct ap_perms *perms,
rc = -ENOMEM;
if (target_num != 0) {
if (userspace) {
targets = kcalloc(target_num, sizeof(*targets), GFP_KERNEL);
targets = kzalloc_objs(*targets, target_num, GFP_KERNEL);
if (!targets)
goto out;
if (copy_from_user(targets, xcrb->targets,
@@ -1627,9 +1627,8 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
size_t total_size = MAX_ZDEV_ENTRIES_EXT
* sizeof(struct zcrypt_device_status_ext);
device_status = kvcalloc(MAX_ZDEV_ENTRIES_EXT,
sizeof(struct zcrypt_device_status_ext),
GFP_KERNEL);
device_status = kvzalloc_objs(struct zcrypt_device_status_ext,
MAX_ZDEV_ENTRIES_EXT, GFP_KERNEL);
if (!device_status)
return -ENOMEM;
zcrypt_device_status_mask_ext(device_status,