Fixed rollback and gave better names to the functions (more
self-documenting, less confusing).

Fixes: d972b0523f ("tpm: fix call order in tpm-chip.c")
Signed-off-by: Jarkko Sakkinen <redacted>
cc: stable@vger.kernel.org
 drivers/char/tpm/tpm-chip.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 45cc39a..1a9dcee 100644
+++ b/drivers/char/tpm/tpm-chip.c

@@ -140,7 +140,7 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev,
 }
 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 +151,6 @@ 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;
 	}

@@ -162,13 +161,14 @@ 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;