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NFC: Factorize HCI cmd completion 

HCI cmd can be completed either from an HCI response or from an
internal driver or HCI error. This requires to factorize the
completion code outside of the device lock.

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 2012-05-03 15:59:37 +02:00 committed by John W. Linville
parent 456411ca81
commit ccca0d6e88
1 changed files with 18 additions and 13 deletions
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31
net/nfc/hci/core.c
View File

@ -127,6 +127,23 @@ static void nfc_hci_msg_rx_work(struct work_struct *work)
}
}
static void __nfc_hci_cmd_completion(struct nfc_hci_dev *hdev, int err,
struct sk_buff *skb)
{
del_timer_sync(&hdev->cmd_timer);
if (hdev->cmd_pending_msg->cb)
hdev->cmd_pending_msg->cb(hdev, err, skb,
hdev->cmd_pending_msg->cb_context);
else
kfree_skb(skb);
kfree(hdev->cmd_pending_msg);
hdev->cmd_pending_msg = NULL;
queue_work(hdev->msg_tx_wq, &hdev->msg_tx_work);
}
void nfc_hci_resp_received(struct nfc_hci_dev *hdev, u8 result,
struct sk_buff *skb)
{
@ -137,19 +154,7 @@ void nfc_hci_resp_received(struct nfc_hci_dev *hdev, u8 result,
goto exit;
}
del_timer_sync(&hdev->cmd_timer);
if (hdev->cmd_pending_msg->cb)
hdev->cmd_pending_msg->cb(hdev, nfc_hci_result_to_errno(result),
skb,
hdev->cmd_pending_msg->cb_context);
else
kfree_skb(skb);
kfree(hdev->cmd_pending_msg);
hdev->cmd_pending_msg = NULL;
queue_work(hdev->msg_tx_wq, &hdev->msg_tx_work);
__nfc_hci_cmd_completion(hdev, nfc_hci_result_to_errno(result), skb);
exit:
mutex_unlock(&hdev->msg_tx_mutex);