On Thu, Aug 18, 2016 at 09:59:03AM +0800, f...@ikuai8.com wrote:
> From: Gao Feng <f...@ikuai8.com>
> 
> There are some codes in pppoe and l2tp which use the PPPOX_CONNECTED
> as the value including assignment and condition check.
> They should keep consistent with other codes.
> 
> Signed-off-by: Gao Feng <f...@ikuai8.com>
> ---
>  v1: Initial Patch
> 
>  drivers/net/ppp/pppoe.c | 2 +-
>  net/l2tp/l2tp_ppp.c     | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
> index 4ddae81..684b773 100644
> --- a/drivers/net/ppp/pppoe.c
> +++ b/drivers/net/ppp/pppoe.c
> @@ -697,7 +697,7 @@ static int pppoe_connect(struct socket *sock, struct 
> sockaddr *uservaddr,
>                       goto err_put;
>               }
>  
> -             sk->sk_state = PPPOX_CONNECTED;
> +             sk->sk_state |= PPPOX_CONNECTED;
> 
Using plain assignment makes it clear for the reader that other flags
are unset. I see no reason for changing this.

> diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
> index d9560aa..3984385 100644
> --- a/net/l2tp/l2tp_ppp.c
> +++ b/net/l2tp/l2tp_ppp.c
> @@ -774,7 +774,7 @@ static int pppol2tp_connect(struct socket *sock, struct 
> sockaddr *uservaddr,
>  out_no_ppp:
>       /* This is how we get the session context from the socket. */
>       sk->sk_user_data = session;
> -     sk->sk_state = PPPOX_CONNECTED;
> +     sk->sk_state |= PPPOX_CONNECTED;
> 
Same here.

> @@ -856,7 +856,7 @@ static int pppol2tp_getname(struct socket *sock, struct 
> sockaddr *uaddr,
>       error = -ENOTCONN;
>       if (sk == NULL)
>               goto end;
> -     if (sk->sk_state != PPPOX_CONNECTED)
> +     if (!(sk->sk_state & PPPOX_CONNECTED))
> 
Looks like it was a bug. This one is worth a separate patch.

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