[added to the 4.1 stable tree] tpm_crb: tpm2_shutdown() must be called before tpm_chip_unregister()

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From: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>

This patch has been added to the 4.1 stable tree. If you have any
objections, please let us know.

===============

[ Upstream commit 99cda8cb4639de81cde785b5bab9bc52e916e594 ]

Wrong call order.

Reported-by: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>
Fixes: 74d6b3ceaa17
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 drivers/char/tpm/tpm_crb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 2b971b3..b02d4b1 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -309,11 +309,11 @@ 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;
 }
 
-- 
2.5.0

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