summaryrefslogtreecommitdiff
path: root/net/bluetooth/l2cap_core.c
diff options
context:
space:
mode:
authorPeter Zijlstra <peterz@infradead.org>2016-11-14 19:29:48 +0300
committerIngo Molnar <mingo@kernel.org>2017-01-14 13:37:18 +0300
commit2c935bc57221cc2edc787c72ea0e2d30cdcd3d5e (patch)
tree4ccb975ac9142887b4e7e7bf1c0cca5c53d4cf99 /net/bluetooth/l2cap_core.c
parent1e24edca0557dba6486d39d3c24c288475432bcf (diff)
downloadlinux-2c935bc57221cc2edc787c72ea0e2d30cdcd3d5e.tar.xz
locking/atomic, kref: Add kref_read()
Since we need to change the implementation, stop exposing internals. Provide kref_read() to read the current reference count; typically used for debug messages. Kills two anti-patterns: atomic_read(&kref->refcount) kref->refcount.counter Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/bluetooth/l2cap_core.c')
-rw-r--r--net/bluetooth/l2cap_core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index ce0b5dd01953..fc7f321a3823 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -481,14 +481,14 @@ static void l2cap_chan_destroy(struct kref *kref)
void l2cap_chan_hold(struct l2cap_chan *c)
{
- BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->kref.refcount));
+ BT_DBG("chan %p orig refcnt %d", c, kref_read(&c->kref));
kref_get(&c->kref);
}
void l2cap_chan_put(struct l2cap_chan *c)
{
- BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->kref.refcount));
+ BT_DBG("chan %p orig refcnt %d", c, kref_read(&c->kref));
kref_put(&c->kref, l2cap_chan_destroy);
}