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NFC: Implement HCI driver or internal error management

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If there is an ongoing HCI command executing, it will be completed,
thereby pushing the error up to the core. Otherwise, HCI will directly
notify the core with the error.

Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Eric Lapuyade 2012-06-11 15:06:56 +02:00 committed by John W. Linville
parent ccca0d6e88
commit a070c8591a
1 changed files with 11 additions and 4 deletions
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15
net/nfc/hci/core.c
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@ -736,10 +736,17 @@ EXPORT_SYMBOL(nfc_hci_get_clientdata);
static void nfc_hci_failure(struct nfc_hci_dev *hdev, int err)
{
/*
* TODO: lower layer has permanent failure.
* complete potential HCI command or send an empty tag discovered event
*/
mutex_lock(&hdev->msg_tx_mutex);
if (hdev->cmd_pending_msg == NULL) {
nfc_driver_failure(hdev->ndev, err);
goto exit;
}
__nfc_hci_cmd_completion(hdev, err, NULL);
exit:
mutex_unlock(&hdev->msg_tx_mutex);
}
void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err)