Bluetooth: Fix faulty expression for minimum encryption key size check

Fix minimum encryption key size check so that HCI_MIN_ENC_KEY_SIZE is
also allowed as stated in the comment.

This bug caused connection problems with devices having maximum
encryption key size of 7 octets (56-bit).

Fixes: 693cd8ce3f88 ("Bluetooth: Fix regression with minimum encryption key size alignment")
Signed-off-by: Matias Karhumaa <>
Signed-off-by: Marcel Holtmann <>
Signed-off-by: Linus Torvalds <>
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 9f77432..5406d7c 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1353,7 +1353,7 @@
 	 * actually encrypted before enforcing a key size.
 	return (!test_bit(HCI_CONN_ENCRYPT, &hcon->flags) ||
-		hcon->enc_key_size > HCI_MIN_ENC_KEY_SIZE);
+		hcon->enc_key_size >= HCI_MIN_ENC_KEY_SIZE);
 static void l2cap_do_start(struct l2cap_chan *chan)