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Bluetooth: AMP: Get amp_mgr reference in HS hci_conn

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When assigning amp_mgr in hci_conn (type AMP_LINK) get also reference.
In hci_conn_del those references would be put for both conn types
AMP_LINK and ACL_LINK associated with amp_mgr.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Andrei Emeltchenko 2012-10-18 13:16:19 +03:00 committed by Gustavo Padovan
parent 56f6098441
commit f706adfead
3 changed files with 5 additions and 3 deletions
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2
include/net/bluetooth/a2mp.h
View File

@ -133,7 +133,7 @@ struct a2mp_physlink_rsp {
extern struct list_head amp_mgr_list;
extern struct mutex amp_mgr_list_lock;
void amp_mgr_get(struct amp_mgr *mgr);
struct amp_mgr *amp_mgr_get(struct amp_mgr *mgr);
int amp_mgr_put(struct amp_mgr *mgr);
u8 __next_ident(struct amp_mgr *mgr);
struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,

4
net/bluetooth/a2mp.c
View File

@ -751,11 +751,13 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn, bool locked)
}
/* AMP Manager functions */
void amp_mgr_get(struct amp_mgr *mgr)
struct amp_mgr *amp_mgr_get(struct amp_mgr *mgr)
{
BT_DBG("mgr %p orig refcnt %d", mgr, atomic_read(&mgr->kref.refcount));
kref_get(&mgr->kref);
return mgr;
}
static void amp_mgr_destroy(struct kref *kref)

2
net/bluetooth/amp.c
View File

@ -123,7 +123,7 @@ struct hci_conn *phylink_add(struct hci_dev *hdev, struct amp_mgr *mgr,
hcon->attempt++;
hcon->handle = __next_handle(mgr);
hcon->remote_id = remote_id;
hcon->amp_mgr = mgr;
hcon->amp_mgr = amp_mgr_get(mgr);
hcon->out = out;
return hcon;