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| author | Peter Hurley <peter@hurleysoftware.com> | 2011-07-25 18:36:26 -0400 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-08-11 19:50:27 -0300 |
| commit | a71a0cf4e9cdb1c43843977a1efc43f96f6efc21 (patch) | |
| tree | dc762b8ffe1d12b9acfe6b7c317c3f40e1626522 /net | |
| parent | 3a3f5c7df55a1294c9e6e2d0b8cea604b137438f (diff) | |
| download | linux-a71a0cf4e9cdb1c43843977a1efc43f96f6efc21.tar.gz linux-a71a0cf4e9cdb1c43843977a1efc43f96f6efc21.tar.bz2 linux-a71a0cf4e9cdb1c43843977a1efc43f96f6efc21.zip | |
Bluetooth: l2cap: Fix lost wakeup waiting for ERTM acks
Fix race condition which can result in missing wakeup during
l2cap socket shutdown.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/l2cap_core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 3204ba8a701c..b3bdb482bbe6 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -1159,9 +1159,8 @@ int __l2cap_wait_ack(struct sock *sk) int timeo = HZ/5; add_wait_queue(sk_sleep(sk), &wait); - while ((chan->unacked_frames > 0 && chan->conn)) { - set_current_state(TASK_INTERRUPTIBLE); - + set_current_state(TASK_INTERRUPTIBLE); + while (chan->unacked_frames > 0 && chan->conn) { if (!timeo) timeo = HZ/5; @@ -1173,6 +1172,7 @@ int __l2cap_wait_ack(struct sock *sk) release_sock(sk); timeo = schedule_timeout(timeo); lock_sock(sk); + set_current_state(TASK_INTERRUPTIBLE); err = sock_error(sk); if (err) |