diff options
| author | Gustavo F. Padovan <padovan@profusion.mobi> | 2010-11-01 21:43:53 +0300 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2010-12-02 02:04:42 +0300 |
| commit | e0f0cb56364958223f0cb1f1b0b0eecf1b8dcb95 (patch) | |
| tree | 9eb8016a9ea039e65b3120d8b5f3568031238d76 /net/bluetooth/l2cap.c | |
| parent | cc11b9c14da4ca1c545b424dae2ae8fb1ab04063 (diff) | |
| download | linux-e0f0cb56364958223f0cb1f1b0b0eecf1b8dcb95.tar.xz | |
Bluetooth: Get rid of __l2cap_get_sock_by_psm()
l2cap_get_sock_by_psm() was the only user of this function, so I merged
both into l2cap_get_sock_by_psm(). The socket lock now should be hold
outside of l2cap_get_sock_by_psm() once we hold and release it inside the
same function now.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth/l2cap.c')
| -rw-r--r-- | net/bluetooth/l2cap.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 18a802cc0469..12b4aa2f8fc9 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -751,11 +751,13 @@ found: /* Find socket with psm and source bdaddr. * Returns closest match. */ -static struct sock *__l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src) +static struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src) { struct sock *sk = NULL, *sk1 = NULL; struct hlist_node *node; + read_lock(&l2cap_sk_list.lock); + sk_for_each(sk, node, &l2cap_sk_list.head) { if (state && sk->sk_state != state) continue; @@ -770,20 +772,10 @@ static struct sock *__l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src sk1 = sk; } } - return node ? sk : sk1; -} -/* Find socket with given address (psm, src). - * Returns locked socket */ -static inline struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src) -{ - struct sock *s; - read_lock(&l2cap_sk_list.lock); - s = __l2cap_get_sock_by_psm(state, psm, src); - if (s) - bh_lock_sock(s); read_unlock(&l2cap_sk_list.lock); - return s; + + return node ? sk : sk1; } static void l2cap_sock_destruct(struct sock *sk) @@ -2934,6 +2926,8 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd goto sendresp; } + bh_lock_sock(parent); + /* Check if the ACL is secure enough (if not SDP) */ if (psm != cpu_to_le16(0x0001) && !hci_conn_check_link_mode(conn->hcon)) { @@ -4464,6 +4458,8 @@ static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, str if (!sk) goto drop; + bh_lock_sock(sk); + BT_DBG("sk %p, len %d", sk, skb->len); if (sk->sk_state != BT_BOUND && sk->sk_state != BT_CONNECTED) |