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Bluetooth: Fix regression with L2CAP configuration in Basic Mode

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Basic Mode is the default mode of operation of a L2CAP entity. In
this case the RFC (Retransmission and Flow Control) configuration
option should not be used at all.

Normally remote L2CAP implementation should just ignore this option,
but it can cause various side effects with other Bluetooth stacks
that are not capable of handling unknown options.

Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Gustavo F. Padovan 2009-10-17 21:41:01 -03:00 committed by Marcel Holtmann
parent a0e55a32af
commit 68ae6639b6
1 changed files with 8 additions and 3 deletions
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11
net/bluetooth/l2cap.c
View file

@ -2394,6 +2394,10 @@ done:
rfc.monitor_timeout = L2CAP_DEFAULT_MONITOR_TO;
pi->conf_state |= L2CAP_CONF_MODE_DONE;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
sizeof(rfc), (unsigned long) &rfc);
break;
case L2CAP_MODE_STREAMING:
@ -2401,6 +2405,10 @@ done:
pi->max_pdu_size = rfc.max_pdu_size;
pi->conf_state |= L2CAP_CONF_MODE_DONE;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
sizeof(rfc), (unsigned long) &rfc);
break;
default:
@ -2410,9 +2418,6 @@ done:
rfc.mode = pi->mode;
}
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
sizeof(rfc), (unsigned long) &rfc);
if (result == L2CAP_CONF_SUCCESS)
pi->conf_state |= L2CAP_CONF_OUTPUT_DONE;
}