3 files changed, 20 insertions, 12 deletions

diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 45cc39aab..252142524 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -136,11 +136,13 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev,
 	chip->cdev.owner = chip->pdev->driver->owner;
 	chip->cdev.kobj.parent = &chip->dev.kobj;
 
+	devm_add_action(dev, (void (*)(void *)) put_device, &chip->dev);
+
 	return chip;
 }
 EXPORT_SYMBOL_GPL(tpmm_chip_alloc);
 
-static int tpm_dev_add_device(struct tpm_chip *chip)
+static int tpm_add_char_device(struct tpm_chip *chip)
 {
 	int rc;
 
@@ -151,7 +153,6 @@ static int tpm_dev_add_device(struct tpm_chip *chip)
 			chip->devname, MAJOR(chip->dev.devt),
 			MINOR(chip->dev.devt), rc);
 
-		device_unregister(&chip->dev);
 		return rc;
 	}
 
@@ -162,16 +163,17 @@ static int tpm_dev_add_device(struct tpm_chip *chip)
 			chip->devname, MAJOR(chip->dev.devt),
 			MINOR(chip->dev.devt), rc);
 
+		cdev_del(&chip->cdev);
 		return rc;
 	}
 
 	return rc;
 }
 
-static void tpm_dev_del_device(struct tpm_chip *chip)
+static void tpm_del_char_device(struct tpm_chip *chip)
 {
 	cdev_del(&chip->cdev);
-	device_unregister(&chip->dev);
+	device_del(&chip->dev);
 }
 
 static int tpm1_chip_register(struct tpm_chip *chip)
@@ -222,7 +224,7 @@ int tpm_chip_register(struct tpm_chip *chip)
 
 	tpm_add_ppi(chip);
 
-	rc = tpm_dev_add_device(chip);
+	rc = tpm_add_char_device(chip);
 	if (rc)
 		goto out_err;
 
@@ -274,6 +276,6 @@ void tpm_chip_unregister(struct tpm_chip *chip)
 		sysfs_remove_link(&chip->pdev->kobj, "ppi");
 
 	tpm1_chip_unregister(chip);
-	tpm_dev_del_device(chip);
+	tpm_del_char_device(chip);
 }
 EXPORT_SYMBOL_GPL(tpm_chip_unregister);
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 8342cf51f..26bab5a29 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -302,11 +302,11 @@ static int crb_acpi_remove(struct acpi_device *device)
 	struct device *dev = &device->dev;
 	struct tpm_chip *chip = dev_get_drvdata(dev);
 
-	tpm_chip_unregister(chip);
-
 	if (chip->flags & TPM_CHIP_FLAG_TPM2)
 		tpm2_shutdown(chip, TPM2_SU_CLEAR);
 
+	tpm_chip_unregister(chip);
+
 	return 0;
 }
 
diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c
index bd72fb042..4e6940acf 100644
--- a/drivers/char/tpm/tpm_eventlog.c
+++ b/drivers/char/tpm/tpm_eventlog.c
@@ -232,7 +232,7 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v)
 {
 	struct tcpa_event *event = v;
 	struct tcpa_event temp_event;
-	char *tempPtr;
+	char *temp_ptr;
 	int i;
 
 	memcpy(&temp_event, event, sizeof(struct tcpa_event));
@@ -242,10 +242,16 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v)
 	temp_event.event_type = do_endian_conversion(event->event_type);
 	temp_event.event_size = do_endian_conversion(event->event_size);
 
-	tempPtr = (char *)&temp_event;
+	temp_ptr = (char *) &temp_event;
 
-	for (i = 0; i < sizeof(struct tcpa_event) + temp_event.event_size; i++)
-		seq_putc(m, tempPtr[i]);
+	for (i = 0; i < (sizeof(struct tcpa_event) - 1) ; i++)
+		seq_putc(m, temp_ptr[i]);
+
+	temp_ptr = (char *) v;
+
+	for (i = (sizeof(struct tcpa_event) - 1);
+	     i < (sizeof(struct tcpa_event) + temp_event.event_size); i++)
+		seq_putc(m, temp_ptr[i]);
 
 	return 0;