linux-kernel - Re: [PATCH] Bluetooth: Silence static checker warning.

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Message-ID: <CAMXE1-oXtheVHDuU3w52mXqmuY8AK4kk+tuvJpVRDq2=+qEnsQ@mail.gmail.com>
Date:	Wed, 29 Feb 2012 22:45:49 +0200
From:	Andrei Emeltchenko <andrei.emeltchenko.news@...il.com>
To:	santosh nayak <santoshprasadnayak@...il.com>
Cc:	marcel@...tmann.org, padovan@...fusion.mobi, davem@...emloft.net,
	linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: Silence static checker warning.

Hi Santosh,

On Wed, Feb 29, 2012 at 7:06 PM, santosh nayak
<santoshprasadnayak@...il.com> wrote:
> From: Santosh Nayak <santoshprasadnayak@...il.com>
>
> Silencing Static checker warning.
> 1. Endian warning
> 2. variable dereferenced before check 'sk' .
>
> Signed-off-by: Santosh Nayak <santoshprasadnayak@...il.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;
> +

Didn't I fix this bug already?

http://permalink.gmane.org/gmane.linux.bluez.kernel/21537

Regards,
Andrei
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