4.5-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
commit 72c91ce8523ae5828fe5e4417ae0aaab53707a08 upstream.
Fixed the rollback and gave more self-documenting names for the
functions.
Fixes: d972b0523f ("tpm: fix call order in tpm-chip.c")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
Reviewed-by: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/char/tpm/tpm-chip.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -140,7 +140,7 @@ struct tpm_chip *tpmm_chip_alloc(struct
}
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->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->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);
@@ -222,7 +222,7 @@ int tpm_chip_register(struct tpm_chip *c
tpm_add_ppi(chip);
- rc = tpm_dev_add_device(chip);
+ rc = tpm_add_char_device(chip);
if (rc)
goto out_err;
@@ -274,6 +274,6 @@ void tpm_chip_unregister(struct tpm_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);
--
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