From: Stefan Berger <stefanb@linux.vnet.ibm.com>
Date: Thu, 19 Jun 2014 19:00:19 +0000 (-0400)
Subject: tpm: Properly clean sysfs entries in error path
X-Git-Tag: submit/tizen/20160422.055611~1^2~99^2~18^2~514
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0250c235de86b20b54d2a3477f48e13759160da8;p=sdk%2Femulator%2Femulator-kernel.git

tpm: Properly clean sysfs entries in error path

commit b49e1043c48dac23f64fba684d31c4a96c1ffaa0 upstream.

Properly clean the sysfs entries in the error path

Reported-by: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 60e64ecd56ad..6af17002a115 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -1116,7 +1116,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev,
 		goto del_misc;
 
 	if (tpm_add_ppi(&dev->kobj))
-		goto del_misc;
+		goto del_sysfs;
 
 	chip->bios_dir = tpm_bios_log_setup(chip->devname);
 
@@ -1127,6 +1127,8 @@ struct tpm_chip *tpm_register_hardware(struct device *dev,
 
 	return chip;
 
+del_sysfs:
+	tpm_sysfs_del_device(chip);
 del_misc:
 	tpm_dev_del_device(chip);
 put_device: