Commit 83cdd8db authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Paolo Abeni
Browse files

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



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: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent d6f4aac1

net/nfc/hci/llc.c

+2 −2
Original line number Diff line number Diff line
@@ -33,7 +33,7 @@ int __init nfc_llc_init(void) 
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;