Re: [PATCH -v2 07/12] Bluetooth: Create DEFER_SETUP flag in conf_state

[Marcel Holtmann <marcel@xxxxxxxxxxxx>]

Hi Gustavo,

> Remove another socket usage from l2cap_core.c
> 
> Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
> ---
>  include/net/bluetooth/l2cap.h |    1 +
>  net/bluetooth/l2cap_core.c    |   12 ++++++------
>  net/bluetooth/l2cap_sock.c    |    8 ++++++--
>  3 files changed, 13 insertions(+), 8 deletions(-)
> 
> diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
> index 3b05f3e..c55b28f 100644
> --- a/include/net/bluetooth/l2cap.h
> +++ b/include/net/bluetooth/l2cap.h
> @@ -599,6 +599,7 @@ enum {
>  	CONF_LOC_CONF_PEND,
>  	CONF_REM_CONF_PEND,
>  	CONF_NOT_COMPLETE,
> +	CONF_DEFER_SETUP,
>  };
>  
>  #define L2CAP_CONF_MAX_CONF_REQ 2
> diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
> index 01171b1..388bc70 100644
> --- a/net/bluetooth/l2cap_core.c
> +++ b/net/bluetooth/l2cap_core.c
> @@ -569,7 +569,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
>  			struct l2cap_conn_rsp rsp;
>  			__u16 result;
>  
> -			if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags))
> +			if (test_bit(CONF_DEFER_SETUP, &chan->conf_state))
>  				result = L2CAP_CR_SEC_BLOCK;
>  			else
>  				result = L2CAP_CR_BAD_PSM;
> @@ -1056,8 +1056,8 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
>  
>  			if (l2cap_chan_check_security(chan)) {
>  				lock_sock(sk);
> -				if (test_bit(BT_SK_DEFER_SETUP,
> -					     &bt_sk(sk)->flags)) {
> +				if (test_bit(CONF_DEFER_SETUP,
> +					     &chan->conf_state)) {
>  					struct sock *parent = bt_sk(sk)->parent;
>  					rsp.result = __constant_cpu_to_le16(L2CAP_CR_PEND);
>  					rsp.status = __constant_cpu_to_le16(L2CAP_CS_AUTHOR_PEND);
> @@ -3376,7 +3376,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
>  
>  	if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE) {
>  		if (l2cap_chan_check_security(chan)) {
> -			if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
> +			if (test_bit(CONF_DEFER_SETUP, &chan->conf_state)) {
>  				__l2cap_state_change(chan, BT_CONNECT2);
>  				result = L2CAP_CR_PEND;
>  				status = L2CAP_CS_AUTHOR_PEND;
> @@ -5406,8 +5406,8 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
>  			lock_sock(sk);
>  
>  			if (!status) {
> -				if (test_bit(BT_SK_DEFER_SETUP,
> -					     &bt_sk(sk)->flags)) {
> +				if (test_bit(CONF_DEFER_SETUP,
> +					     &chan->conf_state)) {
>  					struct sock *parent = bt_sk(sk)->parent;
>  					res = L2CAP_CR_PEND;
>  					stat = L2CAP_CS_AUTHOR_PEND;
> diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
> index d2d91b3..51d05a7 100644
> --- a/net/bluetooth/l2cap_sock.c
> +++ b/net/bluetooth/l2cap_sock.c
> @@ -623,10 +623,14 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
>  			break;
>  		}
>  
> -		if (opt)
> +		if (opt) {
>  			set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
> -		else
> +			set_bit(CONF_DEFER_SETUP, &chan->conf_state);
> +		} else {
>  			clear_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
> +			clear_bit(CONF_DEFER_SETUP, &chan->conf_state);
> +		}
> +
>  		break;

and what about the lines above testing this together with BT_SECURITY?

Regards

Marcel


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