From patchwork Wed Sep 28 08:34:40 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nayna X-Patchwork-Id: 9353265 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 802F96077B for ; Wed, 28 Sep 2016 08:35:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7176A28375 for ; Wed, 28 Sep 2016 08:35:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 664EB29428; Wed, 28 Sep 2016 08:35:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 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 mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1CAE128375 for ; Wed, 28 Sep 2016 08:35:50 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=sfs-ml-4.v29.ch3.sourceforge.com) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1bpALE-0000NW-WA; Wed, 28 Sep 2016 08:35:48 +0000 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1bpALE-0000NR-LT for tpmdd-devel@lists.sourceforge.net; Wed, 28 Sep 2016 08:35:48 +0000 X-ACL-Warn: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5] helo=mx0a-001b2d01.pphosted.com) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1bpALD-0000iH-TS for tpmdd-devel@lists.sourceforge.net; Wed, 28 Sep 2016 08:35:48 +0000 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u8S8X5EM143158 for ; Wed, 28 Sep 2016 04:35:42 -0400 Received: from e28smtp03.in.ibm.com (e28smtp03.in.ibm.com [125.16.236.3]) by mx0b-001b2d01.pphosted.com with ESMTP id 25ra370y5f-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 28 Sep 2016 04:35:42 -0400 Received: from localhost by e28smtp03.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Wed, 28 Sep 2016 14:05:33 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 8F5D6E005E for ; Wed, 28 Sep 2016 14:05:00 +0530 (IST) Received: from d28av04.in.ibm.com (d28av04.in.ibm.com [9.184.220.66]) by d28relay01.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u8S8ZWM040829136 for ; Wed, 28 Sep 2016 14:05:32 +0530 Received: from d28av04.in.ibm.com (localhost [127.0.0.1]) by d28av04.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u8S8ZV02023444 for ; Wed, 28 Sep 2016 14:05:32 +0530 Received: from c365f16u1b3.pok.stglabs.ibm.com (c365f16u1b3.pok.stglabs.ibm.com [9.47.77.42]) by d28av04.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u8S8YiRK020817; Wed, 28 Sep 2016 14:05:28 +0530 From: Nayna Jain To: tpmdd-devel@lists.sourceforge.net Date: Wed, 28 Sep 2016 04:34:40 -0400 X-Mailer: git-send-email 2.5.0 In-Reply-To: <1475051682-23060-1-git-send-email-nayna@linux.vnet.ibm.com> References: <1475051682-23060-1-git-send-email-nayna@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16092808-0008-0000-0000-000003541F30 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16092808-0009-0000-0000-00000FBEDD3D Message-Id: <1475051682-23060-7-git-send-email-nayna@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-09-28_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609020000 definitions=main-1609280151 X-Headers-End: 1bpALD-0000iH-TS Subject: [tpmdd-devel] [PATCH v4 6/8] tpm: remove printk error messages 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 X-Virus-Scanned: ClamAV using ClamSMTP This patch removes the unnecessary messages for failure to allocate memory. It also replaces pr_err/printk with dev_dbg. Suggested-by: Jason Gunthorpe Signed-off-by: Nayna Jain --- drivers/char/tpm/tpm_acpi.c | 17 +++++------------ drivers/char/tpm/tpm_of.c | 26 ++++++++++---------------- 2 files changed, 15 insertions(+), 28 deletions(-) diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c index 859bdba..22e42da 100644 --- a/drivers/char/tpm/tpm_acpi.c +++ b/drivers/char/tpm/tpm_acpi.c @@ -60,11 +60,8 @@ int read_log_acpi(struct tpm_chip *chip) status = acpi_get_table(ACPI_SIG_TCPA, 1, (struct acpi_table_header **)&buff); - if (ACPI_FAILURE(status)) { - printk(KERN_ERR "%s: ERROR - Could not get TCPA table\n", - __func__); + if (ACPI_FAILURE(status)) return -EIO; - } switch(buff->platform_class) { case BIOS_SERVER: @@ -78,25 +75,21 @@ int read_log_acpi(struct tpm_chip *chip) break; } if (!len) { - printk(KERN_ERR "%s: ERROR - TCPA log area empty\n", __func__); + dev_dbg(&chip->dev, "%s: ERROR - TCPA log area empty\n", + __func__); return -EIO; } /* malloc EventLog space */ log->bios_event_log = kmalloc(len, GFP_KERNEL); - if (!log->bios_event_log) { - printk("%s: ERROR - Not enough Memory for BIOS measurements\n", - __func__); + if (!log->bios_event_log) return -ENOMEM; - } log->bios_event_log_end = log->bios_event_log + len; virt = acpi_os_map_iomem(start, len); - if (!virt) { - printk("%s: ERROR - Unable to map memory\n", __func__); + if (!virt) goto err; - } memcpy_fromio(log->bios_event_log, virt, len); diff --git a/drivers/char/tpm/tpm_of.c b/drivers/char/tpm/tpm_of.c index 22b8f81..1464cae 100644 --- a/drivers/char/tpm/tpm_of.c +++ b/drivers/char/tpm/tpm_of.c @@ -31,40 +31,34 @@ int read_log_of(struct tpm_chip *chip) log = &chip->log; if (chip->dev.parent->of_node) np = chip->dev.parent->of_node; - if (!np) { - pr_err("%s: ERROR - IBMVTPM not supported\n", __func__); + if (!np) return -ENODEV; - } sizep = of_get_property(np, "linux,sml-size", NULL); if (sizep == NULL) { - pr_err("%s: ERROR - SML size not found\n", __func__); - goto cleanup_eio; + dev_dbg(&chip->dev, "%s: ERROR - SML size not found\n", + __func__); + return -EIO; } if (*sizep == 0) { - pr_err("%s: ERROR - event log area empty\n", __func__); - goto cleanup_eio; + dev_dbg(&chip->dev, "%s: ERROR - event log area empty\n", + __func__); + return -EIO; } basep = of_get_property(np, "linux,sml-base", NULL); if (basep == NULL) { - pr_err("%s: ERROR - SML not found\n", __func__); - goto cleanup_eio; + dev_dbg(&chip->dev, "%s: ERROR - SML not found\n", __func__); + return -EIO; } log->bios_event_log = kmalloc(*sizep, GFP_KERNEL); - if (!log->bios_event_log) { - pr_err("%s: ERROR - Not enough memory for BIOS measurements\n", - __func__); + if (!log->bios_event_log) return -ENOMEM; - } log->bios_event_log_end = log->bios_event_log + *sizep; memcpy(log->bios_event_log, __va(*basep), *sizep); return 0; - -cleanup_eio: - return -EIO; }