summaryrefslogtreecommitdiff
path: root/drivers/char/tpm/tpm-dev-common.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/tpm/tpm-dev-common.c')
-rw-r--r--drivers/char/tpm/tpm-dev-common.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c
index 30b4c288c1bb..11deaf538e87 100644
--- a/drivers/char/tpm/tpm-dev-common.c
+++ b/drivers/char/tpm/tpm-dev-common.c
@@ -27,6 +27,9 @@ static ssize_t tpm_dev_transmit(struct tpm_chip *chip, struct tpm_space *space,
struct tpm_header *header = (void *)buf;
ssize_t ret, len;
+ if (chip->flags & TPM_CHIP_FLAG_TPM2)
+ tpm2_end_auth_session(chip);
+
ret = tpm2_prepare_space(chip, space, buf, bufsiz);
/* If the command is not implemented by the TPM, synthesize a
* response with a TPM2_RC_COMMAND_CODE return for user-space.
@@ -47,6 +50,8 @@ static ssize_t tpm_dev_transmit(struct tpm_chip *chip, struct tpm_space *space,
if (!ret)
ret = tpm2_commit_space(chip, space, buf, &len);
+ else
+ tpm2_flush_space(chip);
out_rc:
return ret ? ret : len;
@@ -155,7 +160,7 @@ ssize_t tpm_common_read(struct file *file, char __user *buf,
out:
if (!priv->response_length) {
*off = 0;
- del_timer_sync(&priv->user_read_timer);
+ timer_delete_sync(&priv->user_read_timer);
flush_work(&priv->timeout_work);
}
mutex_unlock(&priv->buffer_mutex);
@@ -262,7 +267,7 @@ __poll_t tpm_common_poll(struct file *file, poll_table *wait)
void tpm_common_release(struct file *file, struct file_priv *priv)
{
flush_work(&priv->async_work);
- del_timer_sync(&priv->user_read_timer);
+ timer_delete_sync(&priv->user_read_timer);
flush_work(&priv->timeout_work);
file->private_data = NULL;
priv->response_length = 0;