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Bluetooth: Move l2cap_chan_hold/put to l2cap_core.c
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Refactor the code in order to use the l2cap_chan_destroy()
from l2cap_chan_put() under the refcnt protection.

Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Reviewed-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Jaganath Kanakkassery authored and Gustavo Padovan committed Aug 6, 2012
1 parent ee72d15 commit 3064837
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Showing 2 changed files with 17 additions and 14 deletions.
16 changes: 2 additions & 14 deletions include/net/bluetooth/l2cap.h
Original file line number Diff line number Diff line change
Expand Up @@ -671,20 +671,8 @@ enum {
L2CAP_EV_RECV_FRAME,
};

static inline void l2cap_chan_hold(struct l2cap_chan *c)
{
BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));

atomic_inc(&c->refcnt);
}

static inline void l2cap_chan_put(struct l2cap_chan *c)
{
BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));

if (atomic_dec_and_test(&c->refcnt))
kfree(c);
}
void l2cap_chan_hold(struct l2cap_chan *c);
void l2cap_chan_put(struct l2cap_chan *c);

static inline void l2cap_chan_lock(struct l2cap_chan *chan)
{
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15 changes: 15 additions & 0 deletions net/bluetooth/l2cap_core.c
Original file line number Diff line number Diff line change
Expand Up @@ -425,6 +425,21 @@ void l2cap_chan_destroy(struct l2cap_chan *chan)
l2cap_chan_put(chan);
}

void l2cap_chan_hold(struct l2cap_chan *c)
{
BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));

atomic_inc(&c->refcnt);
}

void l2cap_chan_put(struct l2cap_chan *c)
{
BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));

if (atomic_dec_and_test(&c->refcnt))
kfree(c);
}

void l2cap_chan_set_defaults(struct l2cap_chan *chan)
{
chan->fcs = L2CAP_FCS_CRC16;
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