https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
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Tip revision: 858fd168a95c5b9669aac8db6c14a9aeab446375 authored by Linus Torvalds on 11 June 2023, 21:35:30 UTC
Linux 6.4-rc6
Linux 6.4-rc6
Tip revision: 858fd16
lib.c
// SPDX-License-Identifier: GPL-2.0-only
/*
* The NFC Controller Interface is the communication protocol between an
* NFC Controller (NFCC) and a Device Host (DH).
*
* Copyright (C) 2011 Texas Instruments, Inc.
*
* Written by Ilan Elias <ilane@ti.com>
*
* Acknowledgements:
* This file is based on lib.c, which was written
* by Maxim Krasnyansky.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <net/nfc/nci.h>
#include <net/nfc/nci_core.h>
/* NCI status codes to Unix errno mapping */
int nci_to_errno(__u8 code)
{
switch (code) {
case NCI_STATUS_OK:
return 0;
case NCI_STATUS_REJECTED:
return -EBUSY;
case NCI_STATUS_RF_FRAME_CORRUPTED:
return -EBADMSG;
case NCI_STATUS_NOT_INITIALIZED:
return -EHOSTDOWN;
case NCI_STATUS_SYNTAX_ERROR:
case NCI_STATUS_SEMANTIC_ERROR:
case NCI_STATUS_INVALID_PARAM:
case NCI_STATUS_RF_PROTOCOL_ERROR:
case NCI_STATUS_NFCEE_PROTOCOL_ERROR:
return -EPROTO;
case NCI_STATUS_UNKNOWN_GID:
case NCI_STATUS_UNKNOWN_OID:
return -EBADRQC;
case NCI_STATUS_MESSAGE_SIZE_EXCEEDED:
return -EMSGSIZE;
case NCI_STATUS_DISCOVERY_ALREADY_STARTED:
return -EALREADY;
case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED:
case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED:
return -ECONNREFUSED;
case NCI_STATUS_RF_TRANSMISSION_ERROR:
case NCI_STATUS_NFCEE_TRANSMISSION_ERROR:
return -ECOMM;
case NCI_STATUS_RF_TIMEOUT_ERROR:
case NCI_STATUS_NFCEE_TIMEOUT_ERROR:
return -ETIMEDOUT;
case NCI_STATUS_FAILED:
default:
return -ENOSYS;
}
}
EXPORT_SYMBOL(nci_to_errno);