Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-next

1 files changed, 34 insertions, 6 deletions

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index c0d168adf9be..9572cbd12a7a 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -522,7 +522,7 @@ struct l2cap_conn {
         __u8            info_state;
         __u8            info_ident;
 
-        struct delayed_work info_work;
+        struct delayed_work info_timer;
 
         spinlock_t      lock;
 
@@ -532,7 +532,7 @@ struct l2cap_conn {
 
         __u8            disc_reason;
 
-        struct timer_list security_timer;
+        struct delayed_work  security_timer;
         struct smp_chan *smp_chan;
 
         struct list_head chan_l;
@@ -595,17 +595,45 @@ enum {
         FLAG_EFS_ENABLE,
 };
 
+static inline void l2cap_chan_hold(struct l2cap_chan *c)
+{
+        atomic_inc(&c->refcnt);
+}
+
+static inline void l2cap_chan_put(struct l2cap_chan *c)
+{
+        if (atomic_dec_and_test(&c->refcnt))
+                kfree(c);
+}
+
+static inline void l2cap_set_timer(struct l2cap_chan *chan,
+                                        struct delayed_work *work, long timeout)
+{
+        BT_DBG("chan %p state %d timeout %ld", chan, chan->state, timeout);
+
+        if (!__cancel_delayed_work(work))
+                l2cap_chan_hold(chan);
+        schedule_delayed_work(work, timeout);
+}
+
+static inline void l2cap_clear_timer(struct l2cap_chan *chan,
+                                        struct delayed_work *work)
+{
+        if (__cancel_delayed_work(work))
+                l2cap_chan_put(chan);
+}
+
 #define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t))
-#define __clear_chan_timer(c) l2cap_clear_timer(&c->chan_timer)
+#define __clear_chan_timer(c) l2cap_clear_timer(c, &c->chan_timer)
 #define __set_retrans_timer(c) l2cap_set_timer(c, &c->retrans_timer, \
                 L2CAP_DEFAULT_RETRANS_TO);
-#define __clear_retrans_timer(c) l2cap_clear_timer(&c->retrans_timer)
+#define __clear_retrans_timer(c) l2cap_clear_timer(c, &c->retrans_timer)
 #define __set_monitor_timer(c) l2cap_set_timer(c, &c->monitor_timer, \
                 L2CAP_DEFAULT_MONITOR_TO);
-#define __clear_monitor_timer(c) l2cap_clear_timer(&c->monitor_timer)
+#define __clear_monitor_timer(c) l2cap_clear_timer(c, &c->monitor_timer)
 #define __set_ack_timer(c) l2cap_set_timer(c, &chan->ack_timer, \
                 L2CAP_DEFAULT_ACK_TO);
-#define __clear_ack_timer(c) l2cap_clear_timer(&c->ack_timer)
+#define __clear_ack_timer(c) l2cap_clear_timer(c, &c->ack_timer)
 
 static inline int __seq_offset(struct l2cap_chan *chan, __u16 seq1, __u16 seq2)
 {