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authorJohan Hedberg <johan.hedberg@intel.com>2013-10-07 14:44:48 +0200
committerMarcel Holtmann <marcel@holtmann.org>2013-12-05 07:05:35 -0800
commit029727a39a4316c081347749d5c25f76d5eb891c (patch)
tree800d5ca871a647867c501ccfa8ab9bbc46fe5efe
parent595177f311f5d42804f729e927f7eac87bbcc21b (diff)
downloadlinux-029727a39a4316c081347749d5c25f76d5eb891c.tar.bz2
Bluetooth: Fix suspending the L2CAP socket if we start with 0 credits
If the peer gives us zero credits in its connection request or response we must call the suspend channel callback so the BT_SK_SUSPEND flag gets set and user space is blocked from sending data to the socket. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
-rw-r--r--net/bluetooth/l2cap_core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 407e9d61d061..82aa6f352b20 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1202,6 +1202,9 @@ static void l2cap_le_flowctl_start(struct l2cap_chan *chan)
chan->sdu_len = 0;
skb_queue_head_init(&chan->tx_q);
+
+ if (!chan->tx_credits)
+ chan->ops->suspend(chan);
}
static void l2cap_chan_ready(struct l2cap_chan *chan)