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nfc: hci: Save a few bytes of memory when registering a 'nfc_llc' engine

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nfc_llc_register() calls pass a string literal as the 'name' parameter.

So kstrdup_const() can be used instead of kfree() to avoid a memory
allocation in such cases.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Christophe JAILLET 2024-02-03 08:51:04 +01:00 committed by Paolo Abeni
parent d6f4aac19a
commit 83cdd8db75
1 changed files with 2 additions and 2 deletions
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4
net/nfc/hci/llc.c
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@ -33,7 +33,7 @@ exit:
static void nfc_llc_del_engine(struct nfc_llc_engine *llc_engine)
{
list_del(&llc_engine->entry);
kfree(llc_engine->name);
kfree_const(llc_engine->name);
kfree(llc_engine);
}
@ -53,7 +53,7 @@ int nfc_llc_register(const char *name, const struct nfc_llc_ops *ops)
if (llc_engine == NULL)
return -ENOMEM;
llc_engine->name = kstrdup(name, GFP_KERNEL);
llc_engine->name = kstrdup_const(name, GFP_KERNEL);
if (llc_engine->name == NULL) {
kfree(llc_engine);
return -ENOMEM;