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Bluetooth: L2CAP: Fix regression causing credits not to be restored

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Patch 8c118f8673 causes the wrong semaphore
to checked so receiving credits are never restored which caused the
channel to get stuck after all the credits are consumed.

JIRA: ZEP-1199

Change-Id: I9cd5474b3bcaafcb19d15613939ce30d07befe0a
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2016-11-06 17:06:23 +02:00 • committed by Johan Hedberg
commit 4f39b4ceb1
1 changed files with 2 additions and 2 deletions
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4
subsys/bluetooth/host/l2cap.c
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@ -1165,13 +1165,13 @@ static void l2cap_chan_update_credits(struct bt_l2cap_le_chan *chan)
uint16_t credits;
/* Only give more credits if it went bellow the defined threshold */
if (nano_sem_count_get(&chan->tx.credits) >
if (nano_sem_count_get(&chan->rx.credits) >
L2CAP_LE_CREDITS_THRESHOLD) {
goto done;
}
/* Restore credits */
credits = L2CAP_LE_MAX_CREDITS - nano_sem_count_get(&chan->tx.credits);
credits = L2CAP_LE_MAX_CREDITS - nano_sem_count_get(&chan->rx.credits);
l2cap_chan_rx_give_credits(chan, credits);
buf = bt_l2cap_create_pdu(&le_sig, 0);