treewide: Replace kmalloc with kmalloc_obj for non-scalar types

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 *".

Kees Cook committed 8 months ago

Commit 69050f81 parent d39a1d78016 files · +20055 −20913Browse files

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scripts/livepatch/init.c+1−1

@@ -28,7 +28,7 @@ static int __init livepatch_mod_init(void) · 27 unmodified lines
28	goto err;	28	goto err;
29	}	29	}
30		30
31	patch = kzalloc(sizeof(*patch), GFP_KERNEL);	31	patch = kzalloc_obj(*patch, GFP_KERNEL);
32	if (!patch) {	32	if (!patch) {
33	ret = -ENOMEM;	33	ret = -ENOMEM;
34	goto err;	34	goto err;