From patchwork Mon Apr 25 09:21:30 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jarkko Sakkinen X-Patchwork-Id: 614335 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3qtgj60wGBz9t3w for ; Mon, 25 Apr 2016 19:22:02 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=sfs-ml-3.v29.ch3.sourceforge.com) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1auciL-0004Yy-FQ; Mon, 25 Apr 2016 09:21:57 +0000 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1auciK-0004Yt-He for tpmdd-devel@lists.sourceforge.net; Mon, 25 Apr 2016 09:21:56 +0000 X-ACL-Warn: Received: from mga02.intel.com ([134.134.136.20]) by sog-mx-2.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1auciJ-0005w3-AH for tpmdd-devel@lists.sourceforge.net; Mon, 25 Apr 2016 09:21:56 +0000 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP; 25 Apr 2016 02:21:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,532,1455004800"; d="scan'208";a="91347492" Received: from gmcdermo-mobl1.ger.corp.intel.com (HELO localhost) ([10.252.22.143]) by fmsmga004.fm.intel.com with ESMTP; 25 Apr 2016 02:21:35 -0700 From: Jarkko Sakkinen To: Peter Huewe Date: Mon, 25 Apr 2016 12:21:30 +0300 Message-Id: <1461576090-24813-1-git-send-email-jarkko.sakkinen@linux.intel.com> X-Mailer: git-send-email 2.7.4 X-Spam-Score: -1.0 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Headers-End: 1auciJ-0005w3-AH Cc: open list , linux-security-module@vger.kernel.org, "moderated list:TPM DEVICE DRIVER" Subject: [tpmdd-devel] [PATCH] tpm: check for TPM_CHIP_FLAG_TPM2 before calling tpm2_shutdown() X-BeenThere: tpmdd-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Tpm Device Driver maintainance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: tpmdd-devel-bounces@lists.sourceforge.net Signed-off-by: Jarkko Sakkinen Reported-by: Stefan Berger Reviewed-By: Jason Gunthorpe Tested-by: Stefan Berger --- drivers/char/tpm/tpm-chip.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index a12db8e..1965dc7 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -270,7 +270,8 @@ static void tpm_del_char_device(struct tpm_chip *chip) /* Make the driver uncallable. */ down_write(&chip->ops_sem); - tpm2_shutdown(chip, TPM2_SU_CLEAR); + if (chip->flags & TPM_CHIP_FLAG_TPM2) + tpm2_shutdown(chip, TPM2_SU_CLEAR); chip->ops = NULL; up_write(&chip->ops_sem); }