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authorAndrei Emeltchenko <andrei.emeltchenko@intel.com>2012-11-29 17:46:07 +0200
committerGustavo Padovan <gustavo.padovan@collabora.co.uk>2012-12-03 16:00:01 -0200
commitcbabee788ff881b87bbaf258caf080b49a61fa43 (patch)
tree19d1973169329e85a9d441fcfa23272925d5fb24 /net/bluetooth
parent60918918a9f3455859a4be0d4e381003cbdb843f (diff)
Bluetooth: Process receiving FCS_NONE in L2CAP Conf Rsp
Process L2CAP Config rsp Pending with FCS Option 0x00 (No FCS) which is sent by Motorola Windows 7 Bluetooth stack. The trace is shown below (all other options are skipped). ... < ACL data: handle 1 flags 0x00 dlen 48 L2CAP(s): Config req: dcid 0x0043 flags 0x00 clen 36 ... FCS Option 0x00 (No FCS) > ACL data: handle 1 flags 0x02 dlen 48 L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 36 ... FCS Option 0x01 (CRC16 Check) < ACL data: handle 1 flags 0x00 dlen 47 L2CAP(s): Config rsp: scid 0x0043 flags 0x00 result 4 clen 33 Pending ... > ACL data: handle 1 flags 0x02 dlen 50 L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 4 clen 36 Pending ... FCS Option 0x00 (No FCS) < ACL data: handle 1 flags 0x00 dlen 14 L2CAP(s): Config rsp: scid 0x0043 flags 0x00 result 0 clen 0 Success > ACL data: handle 1 flags 0x02 dlen 14 L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 0 Success ... Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/l2cap_core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index d22d183ddd4..8c432771d6f 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3431,6 +3431,13 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len,
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
(unsigned long) &efs);
break;
+
+ case L2CAP_CONF_FCS:
+ if (*result == L2CAP_CONF_PENDING)
+ if (val == L2CAP_FCS_NONE)
+ set_bit(CONF_NO_FCS_RECV,
+ &chan->conf_state);
+ break;
}
}