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Bluetooth: Read codec capabilities only if supported

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Read codec capabilities only if HCI_READ_LOCAL_CODEC_CAPABILITIES
command is supported. If capablities are not supported, then
cache codec data without caps.

Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Kiran K 2021-10-05 20:15:56 +05:30 committed by Marcel Holtmann
parent 8377545650
commit 107fe0482b
1 changed files with 16 additions and 2 deletions
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18
net/bluetooth/hci_codec.c
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@ -25,9 +25,11 @@ static int hci_codec_list_add(struct list_head *list,
}
entry->transport = sent->transport;
entry->len = len;
entry->num_caps = rp->num_caps;
if (rp->num_caps)
entry->num_caps = 0;
if (rp) {
entry->num_caps = rp->num_caps;
memcpy(entry->caps, caps, len);
}
list_add(&entry->list, list);
return 0;
@ -58,6 +60,18 @@ static void hci_read_codec_capabilities(struct hci_dev *hdev, __u8 transport,
__u32 len;
cmd->transport = i;
/* If Read_Codec_Capabilities command is not supported
* then just add codec to the list without caps
*/
if (!(hdev->commands[45] & 0x08)) {
hci_dev_lock(hdev);
hci_codec_list_add(&hdev->local_codecs, cmd,
NULL, NULL, 0);
hci_dev_unlock(hdev);
continue;
}
skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_CODEC_CAPS,
sizeof(*cmd), cmd,
HCI_CMD_TIMEOUT);