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Revert "Bluetooth: Align minimum encryption key size for LE and BR/EDR connections"

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This reverts commit 2fa7a155b2 which is
commit d5bb334a8e 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>
This commit is contained in:
Greg Kroah-Hartman 2019-06-13 09:28:42 +02:00
parent 4794604a68
commit e9d38b08d7
2 changed files with 0 additions and 11 deletions
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3
include/net/bluetooth/hci_core.h
View file

@ -178,9 +178,6 @@ struct adv_info {
#define HCI_MAX_SHORT_NAME_LENGTH 10
/* Min encryption key size to match with SMP */
#define HCI_MIN_ENC_KEY_SIZE 7
/* Default LE RPA expiry time, 15 minutes */
#define HCI_DEFAULT_RPA_TIMEOUT (15 * 60)

8
net/bluetooth/hci_conn.c
View file

@ -1165,14 +1165,6 @@ 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;
}