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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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16
drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
View File

@@ -446,25 +446,25 @@ static int amdgpu_pmu_alloc_pmu_attrs(
struct amdgpu_pmu_event_attribute **evt_attr,
struct amdgpu_pmu_config *config)
{
*fmt_attr = kcalloc(config->num_formats, sizeof(**fmt_attr),
GFP_KERNEL);
*fmt_attr = kzalloc_objs(**fmt_attr, config->num_formats, GFP_KERNEL);
if (!(*fmt_attr))
return -ENOMEM;
fmt_attr_group->attrs = kcalloc(config->num_formats + 1,
sizeof(*fmt_attr_group->attrs), GFP_KERNEL);
fmt_attr_group->attrs = kzalloc_objs(*fmt_attr_group->attrs,
config->num_formats + 1,
GFP_KERNEL);
if (!fmt_attr_group->attrs)
goto err_fmt_attr_grp;
*evt_attr = kcalloc(config->num_events, sizeof(**evt_attr), GFP_KERNEL);
*evt_attr = kzalloc_objs(**evt_attr, config->num_events, GFP_KERNEL);
if (!(*evt_attr))
goto err_evt_attr;
evt_attr_group->attrs = kcalloc(config->num_events + 1,
sizeof(*evt_attr_group->attrs), GFP_KERNEL);
evt_attr_group->attrs = kzalloc_objs(*evt_attr_group->attrs,
config->num_events + 1, GFP_KERNEL);
if (!evt_attr_group->attrs)
goto err_evt_attr_grp;
@@ -599,7 +599,7 @@ static struct amdgpu_pmu_entry *create_pmu_entry(struct amdgpu_device *adev,
{
struct amdgpu_pmu_entry *pmu_entry;
pmu_entry = kzalloc(sizeof(struct amdgpu_pmu_entry), GFP_KERNEL);
pmu_entry = kzalloc_obj(struct amdgpu_pmu_entry, GFP_KERNEL);
if (!pmu_entry)
return pmu_entry;