From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751500AbbCSTWb (ORCPT ); Thu, 19 Mar 2015 15:22:31 -0400 Received: from smtprelay0101.hostedemail.com ([216.40.44.101]:34252 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751147AbbCSTWa (ORCPT ); Thu, 19 Mar 2015 15:22:30 -0400 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1539:1593:1594:1711:1730:1747:1777:1792:2393:2553:2559:2562:2689:3138:3139:3140:3141:3142:3352:3622:3865:3866:3867:3868:3870:3872:3873:3874:4250:5007:6261:7875:7903:10004:10400:10848:10967:11232:11658:11914:12517:12519:12740:13069:13138:13231:13311:13357:21080,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: foot90_8a1bf6fc47a5e X-Filterd-Recvd-Size: 1657 Date: Thu, 19 Mar 2015 15:22:27 -0400 From: Steven Rostedt To: Mark Brown Cc: Philipp Zabel , Pankaj Dubey , Ingo Molnar , linux-kernel@vger.kernel.org, kernel@pengutronix.de Subject: Re: [PATCH v2] regmap: introduce regmap_name to fix syscon regmap trace events Message-ID: <20150319152227.1de48596@gandalf.local.home> In-Reply-To: <20150309181354.GP28806@sirena.org.uk> References: <1425900013-3535-1-git-send-email-p.zabel@pengutronix.de> <20150309181354.GP28806@sirena.org.uk> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 9 Mar 2015 18:13:54 +0000 Mark Brown wrote: > On Mon, Mar 09, 2015 at 12:20:13PM +0100, Philipp Zabel wrote: > > This patch fixes a NULL pointer dereference when enabling regmap event > > tracing in the presence of a syscon regmap, introduced by commit bdb0066df96e > > ("mfd: syscon: Decouple syscon interface from platform devices"). > > That patch introduced syscon regmaps that have their dev field set to NULL. > > The regmap trace events expect it to point to a valid struct device and feed > > it to dev_name(): > > Applied, thanks. Would you mind me sending you a patch that moves the trace file? -- Steve