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path: root/drivers/char/tpm/tpm-chip.c
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Diffstat (limited to 'drivers/char/tpm/tpm-chip.c')
-rw-r--r--drivers/char/tpm/tpm-chip.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 42b1062e33..854546000c 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -158,6 +158,9 @@ int tpm_try_get_ops(struct tpm_chip *chip)
{
int rc = -EIO;
+ if (chip->flags & TPM_CHIP_FLAG_DISABLE)
+ return rc;
+
get_device(&chip->dev);
down_read(&chip->ops_sem);
@@ -275,6 +278,9 @@ static void tpm_dev_release(struct device *dev)
kfree(chip->work_space.context_buf);
kfree(chip->work_space.session_buf);
kfree(chip->allocated_banks);
+#ifdef CONFIG_TCG_TPM2_HMAC
+ kfree(chip->auth);
+#endif
kfree(chip);
}