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Bluetooth: Don't lock sock inside l2cap_get_sock_by_scid() 

Fix an locking issue with the new l2cap_att_channel(). l2cap_att_channel()
was trying to lock a locked socket.

Reported-by: Anderson Lizardo <anderson.lizardo@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan 2011-04-13 19:01:22 -03:00
parent 9f72c1d977
commit 280f294f7b
1 changed files with 3 additions and 5 deletions
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8
net/bluetooth/l2cap_core.c
View File

@ -594,7 +594,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
*/
static struct sock *l2cap_get_sock_by_scid(int state, __le16 cid, bdaddr_t *src)
{
struct sock *s, *sk = NULL, *sk1 = NULL;
struct sock *sk = NULL, *sk1 = NULL;
struct hlist_node *node;
read_lock(&l2cap_sk_list.lock);
@ -613,12 +613,10 @@ static struct sock *l2cap_get_sock_by_scid(int state, __le16 cid, bdaddr_t *src)
sk1 = sk;
}
}
s = node ? sk : sk1;
if (s)
bh_lock_sock(s);
read_unlock(&l2cap_sk_list.lock);
return s;
return node ? sk : sk1;
}
static void l2cap_le_conn_ready(struct l2cap_conn *conn)