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Bluetooth: L2CAP: Fix returning correct LE CoC response codes

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The core spec defines specific response codes for situations when the
received CID is incorrect. Add the defines for these and return them
as appropriate from the LE Connect Request handler function.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2015-11-02 14:39:15 +02:00 committed by Marcel Holtmann
parent 2ab216a7a9
commit 8a7889cc6e
2 changed files with 10 additions and 1 deletions
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2
include/net/bluetooth/l2cap.h
View File

@ -275,6 +275,8 @@ struct l2cap_conn_rsp {
#define L2CAP_CR_AUTHORIZATION 0x0006
#define L2CAP_CR_BAD_KEY_SIZE 0x0007
#define L2CAP_CR_ENCRYPTION 0x0008
#define L2CAP_CR_INVALID_SCID 0x0009
#define L2CAP_CR_SCID_IN_USE 0x0010
/* connect/create channel status */
#define L2CAP_CS_NO_INFO 0x0000

9
net/bluetooth/l2cap_core.c
View File

@ -5437,9 +5437,16 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn,
goto response_unlock;
}
/* Check for valid dynamic CID range */
if (scid < L2CAP_CID_DYN_START || scid > L2CAP_CID_LE_DYN_END) {
result = L2CAP_CR_INVALID_SCID;
chan = NULL;
goto response_unlock;
}
/* Check if we already have channel with that dcid */
if (__l2cap_get_chan_by_dcid(conn, scid)) {
result = L2CAP_CR_NO_MEM;
result = L2CAP_CR_SCID_IN_USE;
chan = NULL;
goto response_unlock;
}