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Subject[PATCH] Bluetooth: Silence static checker warning.
Date
From: Santosh Nayak <santoshprasadnayak@gmail.com>

Silencing Static checker warning.
1. Endian warning
2. variable dereferenced before check 'sk' .

Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com>
---
net/bluetooth/l2cap_sock.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 401d942..d206321 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -82,7 +82,7 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
}

if (la.l2_cid)
- err = l2cap_add_scid(chan, la.l2_cid);
+ err = l2cap_add_scid(chan, __le16_to_cpu(la.l2_cid));
else
err = l2cap_add_psm(chan, &la.l2_bdaddr, la.l2_psm);

@@ -123,7 +123,8 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
if (la.l2_cid && la.l2_psm)
return -EINVAL;

- err = l2cap_chan_connect(chan, la.l2_psm, la.l2_cid, &la.l2_bdaddr);
+ err = l2cap_chan_connect(chan, la.l2_psm, __le16_to_cpu(la.l2_cid),
+ &la.l2_bdaddr);
if (err)
goto done;

@@ -795,7 +796,7 @@ static void l2cap_sock_kill(struct sock *sk)
static int l2cap_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
- struct l2cap_chan *chan = l2cap_pi(sk)->chan;
+ struct l2cap_chan *chan;
int err = 0;

BT_DBG("sock %p, sk %p", sock, sk);
@@ -803,6 +804,8 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
if (!sk)
return 0;

+ chan = l2cap_pi(sk)->chan;
+
lock_sock(sk);
if (!sk->sk_shutdown) {
if (chan->mode == L2CAP_MODE_ERTM)
--
1.7.4.4


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