Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| James Bottomley |
228 |
94.61% |
2 |
40.00% |
| Tadeusz Struk |
11 |
4.56% |
2 |
40.00% |
| Thomas Gleixner |
2 |
0.83% |
1 |
20.00% |
| Total |
241 |
|
5 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2017 James.Bottomley@HansenPartnership.com
*/
#include <linux/slab.h>
#include "tpm-dev.h"
struct tpmrm_priv {
struct file_priv priv;
struct tpm_space space;
};
static int tpmrm_open(struct inode *inode, struct file *file)
{
struct tpm_chip *chip;
struct tpmrm_priv *priv;
int rc;
chip = container_of(inode->i_cdev, struct tpm_chip, cdevs);
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;
rc = tpm2_init_space(&priv->space);
if (rc) {
kfree(priv);
return -ENOMEM;
}
tpm_common_open(file, chip, &priv->priv, &priv->space);
return 0;
}
static int tpmrm_release(struct inode *inode, struct file *file)
{
struct file_priv *fpriv = file->private_data;
struct tpmrm_priv *priv = container_of(fpriv, struct tpmrm_priv, priv);
tpm_common_release(file, fpriv);
tpm2_del_space(fpriv->chip, &priv->space);
kfree(priv);
return 0;
}
const struct file_operations tpmrm_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.open = tpmrm_open,
.read = tpm_common_read,
.write = tpm_common_write,
.poll = tpm_common_poll,
.release = tpmrm_release,
};