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NFC: Implement HCI driver or internal error management 

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)