Message ID | 20180806164424.32439-2-Eugeniy.Paltsev@synopsys.com |
---|---|
State | New |
Headers | show
Return-Path: <linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=synopsys.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WEZJrjsq"; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=synopsys.com header.i=@synopsys.com header.b="AjNi6Kpo"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41kk5b4Dd7z9s0R for <incoming@patchwork.ozlabs.org>; Tue, 7 Aug 2018 02:44:51 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=AkLOdJ9f61au/LV4bRN7CqpiQuVNAydwea142i9fUwQ=; b=WEZJrjsqRSUUc1Kl6oDYsQ+AnX l5pCROTU5mp36GSuUJlshJfgyjVbNss/ChPaSpzYYlDPUD5++cvdLA8EZ3WeF/s/VglqyOYpQOIJM LZBVf0QsyiNHSwrKnkuc0P1WdpdYTG8eI6dyn0TQF487drS90X3euQP1Gz/G6a7c+i6uehkQXa8N3 7nGeZiZTePg9zlIL1kj6IVtHa4m9DOqyyyty0w7xeBJFX8ouybCdV/qQSob4ZBNKp8sSst3pdDe+e Dqhnh+jgjCi8GcmDZ4wBjR7E/OadmYeXTIpgMDJJfoJkO9yBEcAaSTATb5xLekINSYTbzYrJvvFa+ oR/1bw+Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fmicj-0002xt-H2; Mon, 06 Aug 2018 16:44:49 +0000 Received: from smtprelay4.synopsys.com ([198.182.47.9] helo=smtprelay.synopsys.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fmicg-0002vq-5O for linux-snps-arc@lists.infradead.org; Mon, 06 Aug 2018 16:44:47 +0000 Received: from mailhost.synopsys.com (mailhost1.synopsys.com [10.12.238.239]) by smtprelay.synopsys.com (Postfix) with ESMTP id ED94D24E058D; Mon, 6 Aug 2018 09:44:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1533573878; bh=knN/abJGsjdg7sgOehcHLn36pMRzOAIZnen4sArnVzs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AjNi6KpogeQZzh7CNVm6D1H0yRhy5N6efm8DrcBmWS9fkD4qU4XSpcQUepvtN6Pki qshxKMkP3/GWOIqy6TqFRfpLpqBqaw+ciTKQ0GDvgrRyGWRTlsx1vRUwnd2p6ZI/qy IFgM7SzhU30tR4OXuNsvtpAXQ9tDRmNdwG43AO5dQkoXFUZKOdsuDTbZcSylqiFsB0 OzSzW0AqoS7F9612YMmDSWBEz8AjebvnaEP0lRTqcookmh6YNLtIiP5+e1x72fqm3A zI6hyNeyh3F2K3aQUKDU3LXD37DbDjwzCQzU7A9bIAW5W2yAyah1glQCN+6ZEAy7rr TJoG/XbvAPRPg== Received: from paltsev-e7480.internal.synopsys.com (unknown [10.121.8.86]) by mailhost.synopsys.com (Postfix) with ESMTP id 36E1B522D; Mon, 6 Aug 2018 09:44:36 -0700 (PDT) From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> To: linux-snps-arc@lists.infradead.org Subject: [PATCH 2/2] ARC: show_faulting_vma: check file_path for error Date: Mon, 6 Aug 2018 19:44:24 +0300 Message-Id: <20180806164424.32439-2-Eugeniy.Paltsev@synopsys.com> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180806164424.32439-1-Eugeniy.Paltsev@synopsys.com> References: <20180806164424.32439-1-Eugeniy.Paltsev@synopsys.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180806_094446_215507_8E6DCB37 X-CRM114-Status: UNSURE ( 8.17 ) X-CRM114-Notice: Please train this message. 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Series |
[1/2] ARC: show_faulting_vma: remove unused variables
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diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c index f7330a3a1c4d..e8d9fb452346 100644 --- a/arch/arc/kernel/troubleshoot.c +++ b/arch/arc/kernel/troubleshoot.c @@ -98,6 +98,8 @@ static void show_faulting_vma(unsigned long address, char *buf) if (vma && (vma->vm_start <= address)) { if (vma->vm_file) { nm = file_path(vma->vm_file, buf, PAGE_SIZE - 1); + if (IS_ERR(nm)) + nm = "?"; } pr_info(" @off 0x%lx in [%s]\n" " VMA: 0x%08lx to 0x%08lx\n",
Return value of file_path() should be validated with IS_ERR() macro. Generic print_vma_addr() implementation was used as an example. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> --- arch/arc/kernel/troubleshoot.c | 2 ++ 1 file changed, 2 insertions(+)