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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-13 09:28:42 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-22 08:18:22 +0200
commit4282a0b1db65996ec8231cc8807fe04c9113876e (patch)
tree4e0de23a1991967dd5292717a8770da25a4dff6a /net/bluetooth
parentcd23996afa1441a2b658c33399e644a71025bdd5 (diff)
Revert "Bluetooth: Align minimum encryption key size for LE and BR/EDR connections"
This reverts commit d016dc1bd29a2cfb0707fc6fb290ccd21f3b139c which is commit d5bb334a8e171b262e48f378bd2096c0ea458265 upstream. Lots of people have reported issues with this patch, and as there does not seem to be a fix going into Linus's kernel tree any time soon, revert the commit in the stable trees so as to get people's machines working properly again. Reported-by: Vasily Khoruzhick <anarsoul@gmail.com> Reported-by: Hans de Goede <hdegoede@redhat.com> Cc: Jeremy Cline <jeremy@jcline.org> Cc: Marcel Holtmann <marcel@holtmann.org> Cc: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/hci_conn.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 83d4d574fa44..80be0ee17ff3 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -1177,14 +1177,6 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
return 0;
- /* The minimum encryption key size needs to be enforced by the
- * host stack before establishing any L2CAP connections. The
- * specification in theory allows a minimum of 1, but to align
- * BR/EDR and LE transports, a minimum of 7 is chosen.
- */
- if (conn->enc_key_size < HCI_MIN_ENC_KEY_SIZE)
- return 0;
-
return 1;
}