From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDA7BC4646D for ; Wed, 8 Aug 2018 08:07:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8AB35216F3 for ; Wed, 8 Aug 2018 08:07:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8AB35216F3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727202AbeHHKZz (ORCPT ); Wed, 8 Aug 2018 06:25:55 -0400 Received: from muru.com ([72.249.23.125]:53010 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726939AbeHHKZz (ORCPT ); Wed, 8 Aug 2018 06:25:55 -0400 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 497C58176; Wed, 8 Aug 2018 08:10:54 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Cc: Dave Gerlach , Faiz Abbas , Greg Kroah-Hartman , Keerthy , Nishanth Menon , Suman Anna , Tero Kristo , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/4] ARM: OMAP2+: Fix null hwmod for ti-sysc debug Date: Wed, 8 Aug 2018 01:07:03 -0700 Message-Id: <20180808080706.100389-2-tony@atomide.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180808080706.100389-1-tony@atomide.com> References: <20180808080706.100389-1-tony@atomide.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We may call omap_hwmod_parse_module_range() with no hwmod allocated yet and may have debug enabled. Let's fix this by checking for hwmod before trying to use it's name. Fixes: 6c72b3550672 ("ARM: OMAP2+: Parse module IO range from dts for legacy Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/omap_hwmod.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2220,7 +2220,7 @@ int omap_hwmod_parse_module_range(struct omap_hwmod *oh, size = be32_to_cpup(ranges); pr_debug("omap_hwmod: %s %s at 0x%llx size 0x%llx\n", - oh->name, np->name, base, size); + oh ? oh->name : "", np->name, base, size); res->start = base; res->end = base + size - 1; -- 2.17.1