Signed-off-by: Al Viro <[email protected]>
---
net/bluetooth/l2cap.c | 20 +++++++++++---------
1 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 09126bf..03309d2 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -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 +1748,17 @@ 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);
+ cmd.len = 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 +1777,7 @@ 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 +1793,7 @@ 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 +1822,8 @@ 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);
--
1.5.3.GIT
-
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