Inside "case L2CAP_MODE_BASIC:" we don't need to check for sk_type and
L2CAP mode. So only the length check is fine.
Signed-off-by: Gustavo F. Padovan <padovan@xxxxxxxxxxxxxx>
Reviewed-by: João Paulo Rechi Vita <jprvita@xxxxxxxxxxxxxx>
---
net/bluetooth/l2cap.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 0dc7b95..8c8b5d9 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1660,11 +1660,6 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
if (msg->msg_flags & MSG_OOB)
return -EOPNOTSUPP;
- /* Check outgoing MTU */
- if (sk->sk_type == SOCK_SEQPACKET && pi->mode == L2CAP_MODE_BASIC &&
- len > pi->omtu)
- return -EINVAL;
-
lock_sock(sk);
if (sk->sk_state != BT_CONNECTED) {
@@ -1681,6 +1676,12 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
switch (pi->mode) {
case L2CAP_MODE_BASIC:
+ /* Check outgoing MTU */
+ if (len > pi->omtu) {
+ err = -EINVAL;
+ goto done;
+ }
+
/* Create a basic PDU */
skb = l2cap_create_basic_pdu(sk, msg, len);
if (IS_ERR(skb)) {
--
1.6.4.4
--
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