aboutsummaryrefslogtreecommitdiff
path: root/net/bluetooth/l2cap.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/bluetooth/l2cap.c')
-rw-r--r--net/bluetooth/l2cap.c48
1 files changed, 25 insertions, 23 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 670ff95ca64..c4e4ce4ebb2 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -353,7 +353,7 @@ static inline int l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16
}
/* ---- 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 @@ found:
/* 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 @@ static struct sock *__l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
/* 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 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_
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;
@@ -748,7 +748,7 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
write_lock_bh(&l2cap_sk_list.lock);
for (psm = 0x1001; psm < 0x1100; psm += 2)
- if (!__l2cap_get_sock_by_addr(psm, src)) {
+ if (!__l2cap_get_sock_by_addr(htobs(psm), src)) {
l2cap_pi(sk)->psm = htobs(psm);
l2cap_pi(sk)->sport = htobs(psm);
err = 0;
@@ -873,7 +873,7 @@ static inline int l2cap_do_send(struct sock *sk, struct msghdr *msg, int len)
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 @@ static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned
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 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val)
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 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
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);
@@ -1530,7 +1530,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
return 0;
}
-static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data)
{
struct l2cap_conf_req *req = (struct l2cap_conf_req *) data;
u16 dcid, flags;
@@ -1550,7 +1550,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
goto unlock;
/* Reject if config buffer is too small. */
- len = cmd->len - sizeof(*req);
+ len = cmd_len - sizeof(*req);
if (l2cap_pi(sk)->conf_len + len > sizeof(l2cap_pi(sk)->conf_req)) {
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
l2cap_build_conf_rsp(sk, rsp,
@@ -1748,15 +1748,16 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, struct sk_buff *sk
l2cap_raw_recv(conn, skb);
while (len >= L2CAP_CMD_HDR_SIZE) {
+ u16 cmd_len;
memcpy(&cmd, data, L2CAP_CMD_HDR_SIZE);
data += L2CAP_CMD_HDR_SIZE;
len -= L2CAP_CMD_HDR_SIZE;
- cmd.len = __le16_to_cpu(cmd.len);
+ cmd_len = le16_to_cpu(cmd.len);
- BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd.len, cmd.ident);
+ BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd_len, cmd.ident);
- if (cmd.len > len || !cmd.ident) {
+ if (cmd_len > len || !cmd.ident) {
BT_DBG("corrupted command");
break;
}
@@ -1775,7 +1776,7 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, struct sk_buff *sk
break;
case L2CAP_CONF_REQ:
- err = l2cap_config_req(conn, &cmd, data);
+ err = l2cap_config_req(conn, &cmd, cmd_len, data);
break;
case L2CAP_CONF_RSP:
@@ -1791,7 +1792,7 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, struct sk_buff *sk
break;
case L2CAP_ECHO_REQ:
- l2cap_send_cmd(conn, cmd.ident, L2CAP_ECHO_RSP, cmd.len, data);
+ l2cap_send_cmd(conn, cmd.ident, L2CAP_ECHO_RSP, cmd_len, data);
break;
case L2CAP_ECHO_RSP:
@@ -1820,8 +1821,8 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, struct sk_buff *sk
l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ, sizeof(rej), &rej);
}
- data += cmd.len;
- len -= cmd.len;
+ data += cmd_len;
+ len -= cmd_len;
}
kfree_skb(skb);
@@ -1863,7 +1864,7 @@ done:
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 +1894,8 @@ done:
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 +1909,7 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 11:53:44 +0000