linux-kernel - [PATCH -next] tpm_tis: fix the error handling of init

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Message-Id: <20170207155147.2581-1-weiyj.lk@gmail.com>
Date:   Tue,  7 Feb 2017 15:51:47 +0000
From:   Wei Yongjun <weiyj.lk@...il.com>
To:     Peter Huewe <peterhuewe@....de>,
        Marcel Selhorst <tpmdd@...horst.net>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:     Wei Yongjun <weiyongjun1@...wei.com>,
        tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: [PATCH -next] tpm_tis: fix the error handling of init_tis()

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

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

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 7912dad..c7e1384 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -432,7 +432,7 @@ static int __init init_tis(void)
 	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);