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authorAndrei Emeltchenko <andrei.emeltchenko@intel.com>2012-10-18 14:16:19 +0400
committerGustavo Padovan <gustavo.padovan@collabora.co.uk>2012-10-18 14:27:20 +0400
commitf706adfeade767d2194c9f39c0f75e944b0bdd23 (patch)
treea047952d3ce06440c9743cc5b582079d5df37030
parent56f6098441adb9487f6e0439429fc536afcf9e71 (diff)
downloadlinux-f706adfeade767d2194c9f39c0f75e944b0bdd23.tar.xz
Bluetooth: AMP: Get amp_mgr reference in HS hci_conn
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>
-rw-r--r--include/net/bluetooth/a2mp.h2
-rw-r--r--net/bluetooth/a2mp.c4
-rw-r--r--net/bluetooth/amp.c2
3 files changed, 5 insertions, 3 deletions
diff --git a/include/net/bluetooth/a2mp.h b/include/net/bluetooth/a2mp.h
index e776ab2dc572..42f21766c538 100644
--- a/include/net/bluetooth/a2mp.h
+++ b/include/net/bluetooth/a2mp.h
@@ -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,
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 7bf9a10d8e46..d5136cfb57e2 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -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)
diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
index 59da0f15818e..231d7ef53ecb 100644
--- a/net/bluetooth/amp.c
+++ b/net/bluetooth/amp.c
@@ -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;