Bluetooth: Add clarifying comment for LE CoC result value

The "pending" L2CAP response value is not defined for LE CoC. This patch
adds a clarifying comment to the code so that the reader will not think
there is a bug in trying to use this value for LE CoC.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 2d9a2b58d2c8..ab405f0e53cb 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -5413,6 +5413,11 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn,
 
         if (test_bit(FLAG_DEFER_SETUP, &chan->flags)) {
                 l2cap_state_change(chan, BT_CONNECT2);
+                /* The following result value is actually not defined
+                 * for LE CoC but we use it to let the function know
+                 * that it should bail out after doing its cleanup
+                 * instead of sending a response.
+                 */
                 result = L2CAP_CR_PEND;
                 chan->ops->defer(chan);
         } else {