static u8 llcp_magic[3] = {0x46, 0x66, 0x6d};
-static struct list_head llcp_devices;
+static LIST_HEAD(llcp_devices);
static void nfc_llcp_rx_skb(struct nfc_llcp_local *local, struct sk_buff *skb);
struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev)
{
- struct nfc_llcp_local *local, *n;
+ struct nfc_llcp_local *local;
- list_for_each_entry_safe(local, n, &llcp_devices, list)
+ list_for_each_entry(local, &llcp_devices, list)
if (local->dev == dev)
return local;
int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len)
{
- struct nfc_llcp_local *local = nfc_llcp_find_local(dev);
+ struct nfc_llcp_local *local;
+
+ if (gb_len < 3 || gb_len > NFC_MAX_GT_LEN)
+ return -EINVAL;
+ local = nfc_llcp_find_local(dev);
if (local == NULL) {
pr_err("No LLCP device\n");
return -ENODEV;
}
- if (gb_len < 3)
- return -EINVAL;
memset(local->remote_gb, 0, NFC_MAX_GT_LEN);
memcpy(local->remote_gb, gb, gb_len);
int __init nfc_llcp_init(void)
{
- INIT_LIST_HEAD(&llcp_devices);
-
return nfc_llcp_sock_init();
}