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Bluetooth: Add clarifying comment to l2cap_chan_alloc_cid()

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Make it clear why we're checking for non-zero rx CID.

Change-Id: I07a44cf1a0f28c540b191e24aba4d0519c338eaf
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2015-11-02 11:16:37 +02:00 • committed by Anas Nashif
commit 4f66545ba7
1 changed files with 4 additions and 0 deletions
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4
net/bluetooth/l2cap.c
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@ -112,6 +112,10 @@ static void l2cap_chan_alloc_cid(struct bt_conn *conn,
{ {
uint16_t cid; uint16_t cid;
/*
* No action needed if there's already a CID allocated, e.g. in
* the case of a fixed channel.
*/
if (chan->rx.cid > 0) { if (chan->rx.cid > 0) {
return; return;
} }