bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 14:53:58 -04:00
Code Issues Packages Projects Releases Wiki Activity

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/drm_syncobj.c
View File

@@ -557,7 +557,7 @@ int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags,
int ret;
struct drm_syncobj *syncobj;
syncobj = kzalloc(sizeof(struct drm_syncobj), GFP_KERNEL);
syncobj = kzalloc_obj(struct drm_syncobj, GFP_KERNEL);
if (!syncobj)
return -ENOMEM;
@@ -1062,7 +1062,7 @@ static signed long drm_syncobj_array_wait_timeout(struct drm_syncobj **syncobjs,
goto err_free_points;
}
entries = kcalloc(count, sizeof(*entries), GFP_KERNEL);
entries = kzalloc_objs(*entries, count, GFP_KERNEL);
if (!entries) {
timeout = -ENOMEM;
goto err_free_points;
@@ -1279,7 +1279,7 @@ static int drm_syncobj_array_find(struct drm_file *file_private,
goto err_free_handles;
}
syncobjs = kmalloc_array(count_handles, sizeof(*syncobjs), GFP_KERNEL);
syncobjs = kmalloc_objs(*syncobjs, count_handles, GFP_KERNEL);
if (syncobjs == NULL) {
ret = -ENOMEM;
goto err_free_handles;
@@ -1485,7 +1485,7 @@ drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data,
goto err_fdget;
}
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
entry = kzalloc_obj(*entry, GFP_KERNEL);
if (!entry) {
ret = -ENOMEM;
goto err_kzalloc;