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authorKees Cook <kees@kernel.org>2026-02-20 23:49:23 -0800
committerKees Cook <kees@kernel.org>2026-02-21 01:02:28 -0800
commit69050f8d6d075dc01af7a5f2f550a8067510366f (patch)
treebb265f94d9dfa7876c06a5d9f88673d496a15341 /net/tipc/netlink_compat.c
parentd39a1d7486d98668dd34aaa6732aad7977c45f5a (diff)
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 *". Signed-off-by: Kees Cook <kees@kernel.org>
Diffstat (limited to 'net/tipc/netlink_compat.c')
-rw-r--r--net/tipc/netlink_compat.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 079aebb16ed8..f64f03ab4933 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -202,8 +202,8 @@ static int __tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
return -ENOMEM;
}
- attrbuf = kcalloc(tipc_genl_family.maxattr + 1,
- sizeof(struct nlattr *), GFP_KERNEL);
+ attrbuf = kzalloc_objs(struct nlattr *, tipc_genl_family.maxattr + 1,
+ GFP_KERNEL);
if (!attrbuf) {
err = -ENOMEM;
goto err_out;
@@ -338,9 +338,8 @@ static int __tipc_nl_compat_doit(struct tipc_nl_compat_cmd_doit *cmd,
if (!trans_buf)
return -ENOMEM;
- attrbuf = kmalloc_array(tipc_genl_family.maxattr + 1,
- sizeof(struct nlattr *),
- GFP_KERNEL);
+ attrbuf = kmalloc_objs(struct nlattr *, tipc_genl_family.maxattr + 1,
+ GFP_KERNEL);
if (!attrbuf) {
err = -ENOMEM;
goto trans_out;