diff options
| author | Jaganath Kanakkassery <jaganath.k@samsung.com> | 2012-07-13 14:47:55 +0200 |
|---|---|---|
| committer | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2012-08-06 20:02:58 +0200 |
| commit | 4af66c691f4e5c2db9bb00793669a548e9db1974 (patch) | |
| tree | 2ea27d4467c635d78d5b001ee4bee384b1ab7eea /net | |
| parent | Bluetooth: Move l2cap_chan_hold/put to l2cap_core.c (diff) | |
| download | linux-4af66c691f4e5c2db9bb00793669a548e9db1974.tar.xz linux-4af66c691f4e5c2db9bb00793669a548e9db1974.zip | |
Bluetooth: Free the l2cap channel list only when refcount is zero
Move the l2cap channel list chan->global_l under the refcnt
protection and free it based on the refcnt.
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/a2mp.c | 2 | ||||
| -rw-r--r-- | net/bluetooth/l2cap_core.c | 8 | ||||
| -rw-r--r-- | net/bluetooth/l2cap_sock.c | 2 |
3 files changed, 7 insertions, 5 deletions
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c index 79af661a58dd..0760d1fed6f0 100644 --- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -416,7 +416,7 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb) static void a2mp_chan_close_cb(struct l2cap_chan *chan) { - l2cap_chan_destroy(chan); + l2cap_chan_put(chan); } static void a2mp_chan_state_change_cb(struct l2cap_chan *chan, int state) diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 79923d8bbe97..9f8b29ef5b68 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -416,13 +416,15 @@ struct l2cap_chan *l2cap_chan_create(void) return chan; } -void l2cap_chan_destroy(struct l2cap_chan *chan) +static void l2cap_chan_destroy(struct l2cap_chan *chan) { + BT_DBG("chan %p", chan); + write_lock(&chan_list_lock); list_del(&chan->global_l); write_unlock(&chan_list_lock); - l2cap_chan_put(chan); + kfree(chan); } void l2cap_chan_hold(struct l2cap_chan *c) @@ -437,7 +439,7 @@ 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); + l2cap_chan_destroy(c); } void l2cap_chan_set_defaults(struct l2cap_chan *chan) diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index a4bb27e8427e..79350d10087c 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -823,7 +823,7 @@ static void l2cap_sock_kill(struct sock *sk) /* Kill poor orphan */ - l2cap_chan_destroy(l2cap_pi(sk)->chan); + l2cap_chan_put(l2cap_pi(sk)->chan); sock_set_flag(sk, SOCK_DEAD); sock_put(sk); } |