[BLUETOOTH] l2cap: endianness annotations
no code changes, just documenting existing types
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index b82cbdd..09126bf 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -353,7 +353,7 @@
}
/* ---- Socket interface ---- */
-static struct sock *__l2cap_get_sock_by_addr(u16 psm, bdaddr_t *src)
+static struct sock *__l2cap_get_sock_by_addr(__le16 psm, bdaddr_t *src)
{
struct sock *sk;
struct hlist_node *node;
@@ -368,7 +368,7 @@
/* Find socket with psm and source bdaddr.
* Returns closest match.
*/
-static struct sock *__l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
+static struct sock *__l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
{
struct sock *sk = NULL, *sk1 = NULL;
struct hlist_node *node;
@@ -392,7 +392,7 @@
/* Find socket with given address (psm, src).
* Returns locked socket */
-static inline struct sock *l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
+static inline struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
{
struct sock *s;
read_lock(&l2cap_sk_list.lock);
@@ -586,7 +586,7 @@
goto done;
}
- if (la->l2_psm > 0 && btohs(la->l2_psm) < 0x1001 &&
+ if (la->l2_psm && btohs(la->l2_psm) < 0x1001 &&
!capable(CAP_NET_BIND_SERVICE)) {
err = -EACCES;
goto done;
@@ -873,7 +873,7 @@
lh->len = cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE));
if (sk->sk_type == SOCK_DGRAM)
- put_unaligned(l2cap_pi(sk)->psm, (u16 *) skb_put(skb, 2));
+ put_unaligned(l2cap_pi(sk)->psm, (__le16 *) skb_put(skb, 2));
if (memcpy_fromiovec(skb_put(skb, count), msg->msg_iov, count)) {
err = -EFAULT;
@@ -1256,11 +1256,11 @@
break;
case 2:
- *val = __le16_to_cpu(*((u16 *)opt->val));
+ *val = __le16_to_cpu(*((__le16 *)opt->val));
break;
case 4:
- *val = __le32_to_cpu(*((u32 *)opt->val));
+ *val = __le32_to_cpu(*((__le32 *)opt->val));
break;
default:
@@ -1287,11 +1287,11 @@
break;
case 2:
- *((u16 *) opt->val) = cpu_to_le16(val);
+ *((__le16 *) opt->val) = cpu_to_le16(val);
break;
case 4:
- *((u32 *) opt->val) = cpu_to_le32(val);
+ *((__le32 *) opt->val) = cpu_to_le32(val);
break;
default:
@@ -1406,7 +1406,7 @@
int result = 0, status = 0;
u16 dcid = 0, scid = __le16_to_cpu(req->scid);
- u16 psm = req->psm;
+ __le16 psm = req->psm;
BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid);
@@ -1863,7 +1863,7 @@
return 0;
}
-static inline int l2cap_conless_channel(struct l2cap_conn *conn, u16 psm, struct sk_buff *skb)
+static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, struct sk_buff *skb)
{
struct sock *sk;
@@ -1893,7 +1893,8 @@
static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct l2cap_hdr *lh = (void *) skb->data;
- u16 cid, psm, len;
+ u16 cid, len;
+ __le16 psm;
skb_pull(skb, L2CAP_HDR_SIZE);
cid = __le16_to_cpu(lh->cid);
@@ -1907,7 +1908,7 @@
break;
case 0x0002:
- psm = get_unaligned((u16 *) skb->data);
+ psm = get_unaligned((__le16 *) skb->data);
skb_pull(skb, 2);
l2cap_conless_channel(conn, psm, skb);
break;
