]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
Bluetooth: missed cpu_to_le16 conversion in hci_init4_req
authorBen Dooks (Codethink) <ben.dooks@codethink.co.uk>
Wed, 16 Oct 2019 11:39:43 +0000 (12:39 +0100)
committerMarcel Holtmann <marcel@holtmann.org>
Wed, 16 Oct 2019 18:37:15 +0000 (20:37 +0200)
It looks like in hci_init4_req() the request is being
initialised from cpu-endian data but the packet is specified
to be little-endian. This causes an warning from sparse due
to __le16 to u16 conversion.

Fix this by using cpu_to_le16() on the two fields in the packet.

net/bluetooth/hci_core.c:845:27: warning: incorrect type in assignment (different base types)
net/bluetooth/hci_core.c:845:27:    expected restricted __le16 [usertype] tx_len
net/bluetooth/hci_core.c:845:27:    got unsigned short [usertype] le_max_tx_len
net/bluetooth/hci_core.c:846:28: warning: incorrect type in assignment (different base types)
net/bluetooth/hci_core.c:846:28:    expected restricted __le16 [usertype] tx_time
net/bluetooth/hci_core.c:846:28:    got unsigned short [usertype] le_max_tx_time

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
net/bluetooth/hci_core.c

index 04bc79359a1736b28e83f0eb88828ceefd430f25..b2559d4bed815d60fcb30b1984f0fa031a7c46b2 100644 (file)
@@ -842,8 +842,8 @@ static int hci_init4_req(struct hci_request *req, unsigned long opt)
        if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT) {
                struct hci_cp_le_write_def_data_len cp;
 
-               cp.tx_len = hdev->le_max_tx_len;
-               cp.tx_time = hdev->le_max_tx_time;
+               cp.tx_len = cpu_to_le16(hdev->le_max_tx_len);
+               cp.tx_time = cpu_to_le16(hdev->le_max_tx_time);
                hci_req_add(req, HCI_OP_LE_WRITE_DEF_DATA_LEN, sizeof(cp), &cp);
        }