From 6b3af7334bd3c403647606adfb04f6e6bcf1597e Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Thu, 19 Apr 2012 13:43:51 +0200
Subject: [PATCH] Bluetooth: Split error handling for L2CAP listen sockets
Split the checks for sk->sk_state and sk->sk_type for L2CAP listen
sockets. This makes the code more readable.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
---
net/bluetooth/l2cap_sock.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 46126cbc9de4..8d8b50a29906 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -148,12 +148,16 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
lock_sock(sk);
- if ((sock->type != SOCK_SEQPACKET && sock->type != SOCK_STREAM)
- || sk->sk_state != BT_BOUND) {
+ if (sk->sk_state != BT_BOUND) {
err = -EBADFD;
goto done;
}
+ if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM) {
+ err = -EINVAL;
+ goto done;
+ }
+
switch (chan->mode) {
case L2CAP_MODE_BASIC:
break;
--
2.20.1