linux-kernel - [PATCH 4.9 038/153] tpm_tis: fix the error handling of init

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Message-Id: <20170310083949.406055436@linuxfoundation.org>
Date:   Fri, 10 Mar 2017 10:07:51 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Wei Yongjun <weiyongjun1@...wei.com>,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Subject: [PATCH 4.9 038/153] tpm_tis: fix the error handling of init_tis()

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

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

From: Wei Yongjun <weiyongjun1@...wei.com>

commit 5939eaf4f9d432586dd2cdeea778506471e8088e upstream.

Add the missing platform_driver_unregister() and remove the duplicate
platform_device_unregister(force_pdev) in the error handling case.

Fixes: 00194826e6be ("tpm_tis: Clean up the force=1 module parameter")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/char/tpm/tpm_tis.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -421,7 +421,7 @@ err_pnp:
 	acpi_bus_unregister_driver(&tis_acpi_driver);
 err_acpi:
 #endif
-	platform_device_unregister(force_pdev);
+	platform_driver_unregister(&tis_drv);
 err_platform:
 	if (force_pdev)
 		platform_device_unregister(force_pdev);