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[PATCH 4.10 006/129] tmp: use pdev for parent device in tpm_chip_alloc

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  [PATCH 4.10 006/129] tmp: use pdev for parent device in tpm_chip_alloc Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-11 16:20 +0200

#1639514 — [PATCH 4.10 006/129] tmp: use pdev for parent device in tpm_chip_alloc

4.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Winkler, Tomas <tomas.winkler@intel.com>

commit 2998b02b2fb58f36ccbc318b00513174e9947d8e upstream.

The tpm stack uses pdev name convention for the parent device.
Fix that also in tpm_chip_alloc().

Fixes: 3897cd9c8d1d ("tpm: Split out the devm stuff from tpmm_chip_alloc")'
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/char/tpm/tpm-chip.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -141,7 +141,7 @@ static void tpm_dev_release(struct devic
  * Allocates a new struct tpm_chip instance and assigns a free
  * device number for it. Must be paired with put_device(&chip->dev).
  */
-struct tpm_chip *tpm_chip_alloc(struct device *dev,
+struct tpm_chip *tpm_chip_alloc(struct device *pdev,
 				const struct tpm_class_ops *ops)
 {
 	struct tpm_chip *chip;
@@ -160,7 +160,7 @@ struct tpm_chip *tpm_chip_alloc(struct d
 	rc = idr_alloc(&dev_nums_idr, NULL, 0, TPM_NUM_DEVICES, GFP_KERNEL);
 	mutex_unlock(&idr_lock);
 	if (rc < 0) {
-		dev_err(dev, "No available tpm device numbers\n");
+		dev_err(pdev, "No available tpm device numbers\n");
 		kfree(chip);
 		return ERR_PTR(rc);
 	}
@@ -170,7 +170,7 @@ struct tpm_chip *tpm_chip_alloc(struct d
 
 	chip->dev.class = tpm_class;
 	chip->dev.release = tpm_dev_release;
-	chip->dev.parent = dev;
+	chip->dev.parent = pdev;
 	chip->dev.groups = chip->groups;
 
 	if (chip->dev_num == 0)
@@ -182,7 +182,7 @@ struct tpm_chip *tpm_chip_alloc(struct d
 	if (rc)
 		goto out;
 
-	if (!dev)
+	if (!pdev)
 		chip->flags |= TPM_CHIP_FLAG_VIRTUAL;
 
 	cdev_init(&chip->cdev, &tpm_fops);

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