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Bluetooth: Add HCI status return parameter to hci_req_sync()

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In some cases it may be important to get the exact HCI status rather
than the converted HCI-to-errno value. Add an optional return
parameter to the hci_req_sync() API to allow for this. Since there are
no good HCI translation candidates for cancelation and timeout, use
the "unknown" status code for those cases.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2015-11-11 08:11:19 +02:00 • committed by Marcel Holtmann
parent 51d7a94d56
commit 4ebeee2dff
4 changed files with 26 additions and 19 deletions
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4
net/bluetooth/hci_request.h
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@ -46,10 +46,10 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
int hci_req_sync(struct hci_dev *hdev, void (*req)(struct hci_request *req,
unsigned long opt),
unsigned long opt, __u32 timeout);
unsigned long opt, u32 timeout, u8 *hci_status);
int __hci_req_sync(struct hci_dev *hdev, void (*func)(struct hci_request *req,
unsigned long opt),
unsigned long opt, __u32 timeout);
unsigned long opt, u32 timeout, u8 *hci_status);
void hci_req_sync_cancel(struct hci_dev *hdev, int err);
struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen,