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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/gpu/drm/amd/amdgpu/amdgpu_irq.c
View File

@@ -436,9 +436,8 @@ int amdgpu_irq_add_id(struct amdgpu_device *adev,
if (!adev->irq.client[client_id].sources) {
adev->irq.client[client_id].sources =
kcalloc(AMDGPU_MAX_IRQ_SRC_ID,
sizeof(struct amdgpu_irq_src *),
GFP_KERNEL);
kzalloc_objs(struct amdgpu_irq_src *,
AMDGPU_MAX_IRQ_SRC_ID, GFP_KERNEL);
if (!adev->irq.client[client_id].sources)
return -ENOMEM;
}
@@ -449,8 +448,7 @@ int amdgpu_irq_add_id(struct amdgpu_device *adev,
if (source->num_types && !source->enabled_types) {
atomic_t *types;
types = kcalloc(source->num_types, sizeof(atomic_t),
GFP_KERNEL);
types = kzalloc_objs(atomic_t, source->num_types, GFP_KERNEL);
if (!types)
return -ENOMEM;