diff options
Diffstat (limited to 'drivers/char/tpm')
32 files changed, 97 insertions, 237 deletions
diff --git a/drivers/char/tpm/eventlog/acpi.c b/drivers/char/tpm/eventlog/acpi.c index 7c53b1973b62..63ada5e53f13 100644 --- a/drivers/char/tpm/eventlog/acpi.c +++ b/drivers/char/tpm/eventlog/acpi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2005 IBM Corporation * @@ -11,12 +12,6 @@ * Maintained by: <tpmdd-devel@lists.sourceforge.net> * * Access to the event log extended by the TCG BIOS of PC platform - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #include <linux/seq_file.h> diff --git a/drivers/char/tpm/eventlog/common.c b/drivers/char/tpm/eventlog/common.c index 5a8720df2b51..7a0fca659b6a 100644 --- a/drivers/char/tpm/eventlog/common.c +++ b/drivers/char/tpm/eventlog/common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2005, 2012 IBM Corporation * @@ -10,12 +11,6 @@ * Nayna Jain <nayna@linux.vnet.ibm.com> * * Access to the event log created by a system's firmware / BIOS - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #include <linux/seq_file.h> diff --git a/drivers/char/tpm/eventlog/efi.c b/drivers/char/tpm/eventlog/efi.c index 3e673ab22cb4..6bb023de17f1 100644 --- a/drivers/char/tpm/eventlog/efi.c +++ b/drivers/char/tpm/eventlog/efi.c @@ -1,14 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2017 Google * * Authors: * Thiebaud Weksteen <tweek@google.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #include <linux/efi.h> @@ -21,10 +16,13 @@ int tpm_read_log_efi(struct tpm_chip *chip) { + struct efi_tcg2_final_events_table *final_tbl = NULL; struct linux_efi_tpm_eventlog *log_tbl; struct tpm_bios_log *log; u32 log_size; u8 tpm_log_version; + void *tmp; + int ret; if (!(chip->flags & TPM_CHIP_FLAG_TPM2)) return -ENODEV; @@ -52,15 +50,57 @@ int tpm_read_log_efi(struct tpm_chip *chip) /* malloc EventLog space */ log->bios_event_log = kmemdup(log_tbl->log, log_size, GFP_KERNEL); - if (!log->bios_event_log) - goto err_memunmap; - log->bios_event_log_end = log->bios_event_log + log_size; + if (!log->bios_event_log) { + ret = -ENOMEM; + goto out; + } + log->bios_event_log_end = log->bios_event_log + log_size; tpm_log_version = log_tbl->version; - memunmap(log_tbl); - return tpm_log_version; -err_memunmap: + ret = tpm_log_version; + + if (efi.tpm_final_log == EFI_INVALID_TABLE_ADDR || + efi_tpm_final_log_size == 0 || + tpm_log_version != EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) + goto out; + + final_tbl = memremap(efi.tpm_final_log, + sizeof(*final_tbl) + efi_tpm_final_log_size, + MEMREMAP_WB); + if (!final_tbl) { + pr_err("Could not map UEFI TPM final log\n"); + kfree(log->bios_event_log); + ret = -ENOMEM; + goto out; + } + + efi_tpm_final_log_size -= log_tbl->final_events_preboot_size; + + tmp = krealloc(log->bios_event_log, + log_size + efi_tpm_final_log_size, + GFP_KERNEL); + if (!tmp) { + kfree(log->bios_event_log); + ret = -ENOMEM; + goto out; + } + + log->bios_event_log = tmp; + + /* + * Copy any of the final events log that didn't also end up in the + * main log. Events can be logged in both if events are generated + * between GetEventLog() and ExitBootServices(). + */ + memcpy((void *)log->bios_event_log + log_size, + final_tbl->events + log_tbl->final_events_preboot_size, + efi_tpm_final_log_size); + log->bios_event_log_end = log->bios_event_log + + log_size + efi_tpm_final_log_size; + +out: + memunmap(final_tbl); memunmap(log_tbl); - return -ENOMEM; + return ret; } diff --git a/drivers/char/tpm/eventlog/of.c b/drivers/char/tpm/eventlog/of.c index bba5fba6cb3b..af347c190819 100644 --- a/drivers/char/tpm/eventlog/of.c +++ b/drivers/char/tpm/eventlog/of.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2012 IBM Corporation * @@ -7,12 +8,6 @@ * Maintained by: <tpmdd-devel@lists.sourceforge.net> * * Read the event log created by the firmware on PPC64 - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #include <linux/slab.h> diff --git a/drivers/char/tpm/eventlog/tpm1.c b/drivers/char/tpm/eventlog/tpm1.c index bfdff9271be0..739b1d9d16b6 100644 --- a/drivers/char/tpm/eventlog/tpm1.c +++ b/drivers/char/tpm/eventlog/tpm1.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2005, 2012 IBM Corporation * @@ -12,12 +13,6 @@ * Maintained by: <tpmdd-devel@lists.sourceforge.net> * * Access to the event log created by a system's firmware / BIOS - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #include <linux/seq_file.h> diff --git a/drivers/char/tpm/eventlog/tpm2.c b/drivers/char/tpm/eventlog/tpm2.c index f824563fc28d..b9aeda1cbcd7 100644 --- a/drivers/char/tpm/eventlog/tpm2.c +++ b/drivers/char/tpm/eventlog/tpm2.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2016 IBM Corporation * @@ -9,11 +10,6 @@ * for Family "2.0" and written the event data in little endian. * With that, it doesn't need any endian conversion for structure * content. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/seq_file.h> @@ -40,52 +36,7 @@ static size_t calc_tpm2_event_size(struct tcg_pcr_event2_head *event, struct tcg_pcr_event *event_header) { - struct tcg_efi_specid_event_head *efispecid; - struct tcg_event_field *event_field; - void *marker; - void *marker_start; - u32 halg_size; - size_t size; - u16 halg; - int i; - int j; - - marker = event; - marker_start = marker; - marker = marker + sizeof(event->pcr_idx) + sizeof(event->event_type) - + sizeof(event->count); - - efispecid = (struct tcg_efi_specid_event_head *)event_header->event; - - /* Check if event is malformed. */ - if (event->count > efispecid->num_algs) - return 0; - - for (i = 0; i < event->count; i++) { - halg_size = sizeof(event->digests[i].alg_id); - memcpy(&halg, marker, halg_size); - marker = marker + halg_size; - for (j = 0; j < efispecid->num_algs; j++) { - if (halg == efispecid->digest_sizes[j].alg_id) { - marker += - efispecid->digest_sizes[j].digest_size; - break; - } - } - /* Algorithm without known length. Such event is unparseable. */ - if (j == efispecid->num_algs) - return 0; - } - - event_field = (struct tcg_event_field *)marker; - marker = marker + sizeof(event_field->event_size) - + event_field->event_size; - size = marker - marker_start; - - if ((event->event_type == 0) && (event_field->event_size == 0)) - return 0; - - return size; + return __calc_tpm2_event_size(event, event_header, false); } static void *tpm2_bios_measurements_start(struct seq_file *m, loff_t *pos) diff --git a/drivers/char/tpm/st33zp24/st33zp24.h b/drivers/char/tpm/st33zp24/st33zp24.h index 20da0a84988d..6747be1e2502 100644 --- a/drivers/char/tpm/st33zp24/st33zp24.h +++ b/drivers/char/tpm/st33zp24/st33zp24.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * STMicroelectronics TPM Linux driver for TPM ST33ZP24 * Copyright (C) 2009 - 2016 STMicroelectronics - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef __LOCAL_ST33ZP24_H__ diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 8804c9e916fd..d47ad10a35fe 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2004 IBM Corporation * Copyright (C) 2014 Intel Corporation @@ -12,12 +13,6 @@ * Maintained by: <tpmdd-devel@lists.sourceforge.net> * * TPM chip management routines. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #include <linux/poll.h> @@ -294,15 +289,15 @@ static int tpm_class_shutdown(struct device *dev) { struct tpm_chip *chip = container_of(dev, struct tpm_chip, dev); + down_write(&chip->ops_sem); if (chip->flags & TPM_CHIP_FLAG_TPM2) { - down_write(&chip->ops_sem); if (!tpm_chip_start(chip)) { tpm2_shutdown(chip, TPM2_SU_CLEAR); tpm_chip_stop(chip); } - chip->ops = NULL; - up_write(&chip->ops_sem); } + chip->ops = NULL; + up_write(&chip->ops_sem); return 0; } diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c index 817ae09a369e..2ec47a69a2a6 100644 --- a/drivers/char/tpm/tpm-dev-common.c +++ b/drivers/char/tpm/tpm-dev-common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2004 IBM Corporation * Authors: @@ -10,12 +11,6 @@ * Jason Gunthorpe <jgunthorpe@obsidianresearch.com> * * Device file system interface to the TPM - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #include <linux/poll.h> #include <linux/slab.h> diff --git a/drivers/char/tpm/tpm-dev.c b/drivers/char/tpm/tpm-dev.c index 32f9738f1cb2..e2c0baa69fef 100644 --- a/drivers/char/tpm/tpm-dev.c +++ b/drivers/char/tpm/tpm-dev.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2004 IBM Corporation * Authors: @@ -10,12 +11,6 @@ * Jason Gunthorpe <jgunthorpe@obsidianresearch.com> * * Device file system interface to the TPM - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #include <linux/slab.h> #include "tpm-dev.h" diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index ae1030c9b086..1b4f95c13e00 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2004 IBM Corporation * Copyright (C) 2014 Intel Corporation @@ -13,15 +14,9 @@ * Device driver for TCG/TCPA TPM (trusted platform module). * Specifications at www.trustedcomputinggroup.org * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * * Note, the TPM chip is not interrupt driven (only polling) * and can have very long timeouts (minutes!). Hence the unusual * calls to msleep. - * */ #include <linux/poll.h> diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c index 533a260d744e..d9caedda075b 100644 --- a/drivers/char/tpm/tpm-sysfs.c +++ b/drivers/char/tpm/tpm-sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2004 IBM Corporation * Authors: @@ -10,12 +11,6 @@ * Jason Gunthorpe <jgunthorpe@obsidianresearch.com> * * sysfs filesystem inspection interface to the TPM - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #include <linux/device.h> #include "tpm.h" diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 2cce072f25b5..e503ffc3aa39 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2004 IBM Corporation * Copyright (C) 2015 Intel Corporation @@ -12,12 +13,6 @@ * * Device driver for TCG/TCPA TPM (trusted platform module). * Specifications at www.trustedcomputinggroup.org - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #ifndef __TPM_H__ diff --git a/drivers/char/tpm/tpm1-cmd.c b/drivers/char/tpm/tpm1-cmd.c index 85dcf2654d11..faacbe1ffa1a 100644 --- a/drivers/char/tpm/tpm1-cmd.c +++ b/drivers/char/tpm/tpm1-cmd.c @@ -510,7 +510,7 @@ struct tpm1_get_random_out { * * Return: * * number of bytes read - * * -errno or a TPM return code otherwise + * * -errno (positive TPM return codes are masked to -EIO) */ int tpm1_get_random(struct tpm_chip *chip, u8 *dest, size_t max) { @@ -531,8 +531,11 @@ int tpm1_get_random(struct tpm_chip *chip, u8 *dest, size_t max) rc = tpm_transmit_cmd(chip, &buf, sizeof(out->rng_data_len), "attempting get random"); - if (rc) + if (rc) { + if (rc > 0) + rc = -EIO; goto out; + } out = (struct tpm1_get_random_out *)&buf.data[TPM_HEADER_SIZE]; diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index e74c5b7b64bf..d103545e4055 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014, 2015 Intel Corporation * @@ -8,11 +9,6 @@ * * This file contains TPM2 protocol implementations of the commands * used by the kernel internally. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; version 2 - * of the License. */ #include "tpm.h" @@ -301,7 +297,7 @@ struct tpm2_get_random_out { * * Return: * size of the buffer on success, - * -errno otherwise + * -errno otherwise (positive TPM return codes are masked to -EIO) */ int tpm2_get_random(struct tpm_chip *chip, u8 *dest, size_t max) { @@ -328,8 +324,11 @@ int tpm2_get_random(struct tpm_chip *chip, u8 *dest, size_t max) offsetof(struct tpm2_get_random_out, buffer), "attempting get random"); - if (err) + if (err) { + if (err > 0) + err = -EIO; goto out; + } out = (struct tpm2_get_random_out *) &buf.data[TPM_HEADER_SIZE]; diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c index 4a2773c3374f..982d341d8837 100644 --- a/drivers/char/tpm/tpm2-space.c +++ b/drivers/char/tpm/tpm2-space.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2016 Intel Corporation * @@ -8,11 +9,6 @@ * * This file contains TPM2 protocol implementations of the commands * used by the kernel internally. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; version 2 - * of the License. */ #include <linux/gfp.h> diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c index a290b30a0c35..54a6750a6757 100644 --- a/drivers/char/tpm/tpm_atmel.c +++ b/drivers/char/tpm/tpm_atmel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2004 IBM Corporation * @@ -11,12 +12,6 @@ * * Device driver for TCG/TCPA TPM (trusted platform module). * Specifications at www.trustedcomputinggroup.org - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #include "tpm.h" diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h index 5c82eb47665e..ba37e77e8af3 100644 --- a/drivers/char/tpm/tpm_atmel.h +++ b/drivers/char/tpm/tpm_atmel.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2005 IBM Corporation * @@ -9,17 +10,11 @@ * Device driver for TCG/TCPA TPM (trusted platform module). * Specifications at www.trustedcomputinggroup.org * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * * These difference are required on power because the device must be * discovered through the device tree and iomap must be used to get * around the need for holes in the io_page_mask. This does not happen * automatically because the tpm is not a normal pci device and lives * under the root node. - * */ struct tpm_atmel_priv { diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 763fc7e6c005..e59f1f91d7f3 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014 Intel Corporation * @@ -8,11 +9,6 @@ * * This device driver implements the TPM interface as defined in * the TCG CRB 2.0 TPM specification. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; version 2 - * of the License. */ #include <linux/acpi.h> diff --git a/drivers/char/tpm/tpm_i2c_infineon.c b/drivers/char/tpm/tpm_i2c_infineon.c index 3b4e9672ff6c..a19d32cb4e94 100644 --- a/drivers/char/tpm/tpm_i2c_infineon.c +++ b/drivers/char/tpm/tpm_i2c_infineon.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2012,2013 Infineon Technologies * @@ -13,13 +14,6 @@ * * It is based on the original tpm_tis device driver from Leendert van * Dorn and Kyleen Hall. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * - * */ #include <linux/i2c.h> #include <linux/module.h> diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c index 757ca45b39b8..78cc52690177 100644 --- a/drivers/char/tpm/tpm_ibmvtpm.c +++ b/drivers/char/tpm/tpm_ibmvtpm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2012 IBM Corporation * @@ -7,12 +8,6 @@ * * Device driver for TCG/TCPA TPM (trusted platform module). * Specifications at www.trustedcomputinggroup.org - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #include <linux/dma-mapping.h> diff --git a/drivers/char/tpm/tpm_ibmvtpm.h b/drivers/char/tpm/tpm_ibmvtpm.h index 91dfe766d080..7983f1a33267 100644 --- a/drivers/char/tpm/tpm_ibmvtpm.h +++ b/drivers/char/tpm/tpm_ibmvtpm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012 IBM Corporation * @@ -7,12 +8,6 @@ * * Device driver for TCG/TCPA TPM (trusted platform module). * Specifications at www.trustedcomputinggroup.org - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #ifndef __TPM_IBMVTPM_H__ diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c index 97f6d4fe0aee..9c924a1440a9 100644 --- a/drivers/char/tpm/tpm_infineon.c +++ b/drivers/char/tpm/tpm_infineon.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Description: * Device Driver for the Infineon Technologies @@ -8,11 +9,6 @@ * Sirrix AG - security technologies <tpmdd@sirrix.com> and * Applied Data Security Group, Ruhr-University Bochum, Germany * Project-Homepage: http://www.trust.rub.de/projects/linux-device-driver-infineon-tpm/ - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. */ #include <linux/init.h> diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c index 9bee3c5eb4bf..038701d48351 100644 --- a/drivers/char/tpm/tpm_nsc.c +++ b/drivers/char/tpm/tpm_nsc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2004 IBM Corporation * @@ -11,12 +12,6 @@ * * Device driver for TCG/TCPA TPM (trusted platform module). * Specifications at www.trustedcomputinggroup.org - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #include <linux/platform_device.h> diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index 75e7a856177c..b2dab941cb7f 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2012-2014 Intel Corporation * @@ -9,11 +10,6 @@ * Maintained by: <tpmdd-devel@lists.sourceforge.net> * * This file contains implementation of the sysfs interface for PPI. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; version 2 - * of the License. */ diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index f08949a5f678..e4fdde93ed4c 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2005, 2006 IBM Corporation * Copyright (C) 2014, 2015 Intel Corporation @@ -13,11 +14,6 @@ * * This device driver implements the TPM interface as defined in * the TCG TPM Interface Spec version 1.2, revision 1.0. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. */ #include <linux/init.h> #include <linux/module.h> diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index b9f64684c3fb..c3181ea9f271 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2005, 2006 IBM Corporation * Copyright (C) 2014, 2015 Intel Corporation @@ -13,11 +14,6 @@ * * This device driver implements the TPM interface as defined in * the TCG TPM Interface Spec version 1.2, revision 1.0. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. */ #include <linux/init.h> #include <linux/module.h> diff --git a/drivers/char/tpm/tpm_tis_core.h b/drivers/char/tpm/tpm_tis_core.h index f48125f1e6e0..7337819f5d7b 100644 --- a/drivers/char/tpm/tpm_tis_core.h +++ b/drivers/char/tpm/tpm_tis_core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2005, 2006 IBM Corporation * Copyright (C) 2014, 2015 Intel Corporation @@ -13,11 +14,6 @@ * * This device driver implements the TPM interface as defined in * the TCG TPM Interface Spec version 1.2, revision 1.0. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. */ #ifndef __TPM_TIS_CORE_H__ diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi.c index 9914f6973463..19513e622053 100644 --- a/drivers/char/tpm/tpm_tis_spi.c +++ b/drivers/char/tpm/tpm_tis_spi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015 Infineon Technologies AG * Copyright (C) 2016 STMicroelectronics SAS @@ -17,11 +18,6 @@ * * It is based on the original tpm_tis device driver from Leendert van * Dorn and Kyleen Hall and Jarko Sakkinnen. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. */ #include <linux/init.h> diff --git a/drivers/char/tpm/tpm_vtpm_proxy.c b/drivers/char/tpm/tpm_vtpm_proxy.c index d74f3de74ae6..2f6e087ec496 100644 --- a/drivers/char/tpm/tpm_vtpm_proxy.c +++ b/drivers/char/tpm/tpm_vtpm_proxy.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015, 2016 IBM Corporation * Copyright (C) 2016 Intel Corporation @@ -7,12 +8,6 @@ * Maintained by: <tpmdd-devel@lists.sourceforge.net> * * Device driver for vTPM (vTPM proxy driver) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2 of the - * License. - * */ #include <linux/types.h> diff --git a/drivers/char/tpm/tpmrm-dev.c b/drivers/char/tpm/tpmrm-dev.c index 0c751a79bbed..7a0a7051a06f 100644 --- a/drivers/char/tpm/tpmrm-dev.c +++ b/drivers/char/tpm/tpmrm-dev.c @@ -1,7 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2017 James.Bottomley@HansenPartnership.com - * - * GPLv2 */ #include <linux/slab.h> #include "tpm-dev.h" diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c index 4e2d00cb0d81..da5b30771418 100644 --- a/drivers/char/tpm/xen-tpmfront.c +++ b/drivers/char/tpm/xen-tpmfront.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Implementation of the Xen vTPM device frontend * * Author: Daniel De Graaf <dgdegra@tycho.nsa.gov> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2, - * as published by the Free Software Foundation. */ #include <linux/errno.h> #include <linux/err.h> |