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=-3.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 A6E4BC433E2 for ; Wed, 16 Sep 2020 20:23:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4C34621973 for ; Wed, 16 Sep 2020 20:23:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="P+7V4bFU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728256AbgIPUX3 (ORCPT ); Wed, 16 Sep 2020 16:23:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727099AbgIPR2k (ORCPT ); Wed, 16 Sep 2020 13:28:40 -0400 Received: from mail-vs1-xe42.google.com (mail-vs1-xe42.google.com [IPv6:2607:f8b0:4864:20::e42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 239C4C008769 for ; Wed, 16 Sep 2020 06:30:11 -0700 (PDT) Received: by mail-vs1-xe42.google.com with SMTP id e14so4002808vsa.9 for ; Wed, 16 Sep 2020 06:30:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=2ZiMEy//1kayA505gPczbbN35iqby1CxZE5VK4t65mE=; b=P+7V4bFUf/RvjRpWfeP0Q4K/T92HZyPjcVMWkmfGy57XXUfRJKnm1EGaEcP5cRrl7p Vhi4lQHLZ1gtEfPyzRIkaQr7wrvN0paQCK7DUr4relNqRTPL0FBHzXIuSuVK7O7hhfjs dAb9yJZAU+pLPFk5XCPwa0SeyGaNYVIb7hD2ism9V/CEklXP+joCcO4HTKedEr+eazu4 SgXo3wOlXCgn/qlBQVaMnCCgle7zOtPkF4/9FZWQRza3iwMHSPGXcd8N693DeGnFcVz0 CimWVVGuBiRlsBsUnlKtmIu/gj0nxYxqH4ZGwjnYvK9oBKmzHKrVFJQWKaFYY16dESS7 I1Mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=2ZiMEy//1kayA505gPczbbN35iqby1CxZE5VK4t65mE=; b=lCYkRRXt2cPSndF6ROwLH82ThpcLVkdwSlWMsyUUksyF11YhESxzBKlWoFo+yocAe/ 24MJEOO4++8oegYlZQ/HZ76TBBf/jh8K7IcnZrq7LfJfSsXXOlIE0XCGY8urPuzpQqyu hiPn9yyxNHqUiLWYszQTLkrCp4q3gfjb6kNLZ7pyIAD2WUyDWT15Y3PD+AESWkcyEv1J JTDKDGoi4wJlgVaelsI7YdJOGVuRV0u7Zd2xEmzIWvECw3Zh83JDpmJUN98n9VCfzJbV l+jORU0UNLKEI2/frUAVQ+qGHywCv3I7CNdZTm6vMrggoyBu2RXUleaSdPwKgO9axXpH DJTg== X-Gm-Message-State: AOAM530C+PZkvghOMx/KnQ60RWl+LDhaAj/STxngbrrWbvltVQAmwAF3 uH7pes5FUqCbf+w+qtFcd/Oojsh90WdNl29jqey8Cw== X-Google-Smtp-Source: ABdhPJwGKLu0z/dTDqySAlqgfg7vIw00CAxMAF/n/hdDKH4w89Jgg8+PYleCXBvx1Bvv7Pek2lkAhCyQonJy7yX90Kg= X-Received: by 2002:a67:e290:: with SMTP id g16mr4591851vsf.56.1600263009036; Wed, 16 Sep 2020 06:30:09 -0700 (PDT) MIME-Version: 1.0 References: <20200908125813.8809-1-brgl@bgdev.pl> In-Reply-To: From: Bartosz Golaszewski Date: Wed, 16 Sep 2020 15:29:58 +0200 Message-ID: Subject: Re: [PATCH 0/3] gpiolib: generalize GPIO line names property To: Anders Roxell Cc: Linus Walleij , Mika Westerberg , Andy Shevchenko , Kent Gibson , Greg Kroah-Hartman , "open list:GPIO SUBSYSTEM" , Linux Kernel Mailing List , ACPI Devel Maling List , Bartosz Golaszewski , lkft-triage@lists.linaro.org, Linux-Next Mailing List , Stephen Rothwell Content-Type: text/plain; charset="UTF-8" Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Tue, Sep 15, 2020 at 2:02 PM Anders Roxell wrote: > > On Tue, 8 Sep 2020 at 18:40, Bartosz Golaszewski wrote: > > > > From: Bartosz Golaszewski > > > > I initially sent this as part of the gpio-mockup overhaul but since > > these patches are indepentent and the work on gpio-mockup may become > > more complicated - I'm sending these separately. > > > > The only change is adding additional property helpers to count strings > > in array. > > > > Bartosz Golaszewski (3): > > device: property: add helpers to count items in string arrays > > gpiolib: generalize devprop_gpiochip_set_names() for device properties > > gpiolib: unexport devprop_gpiochip_set_names() > > I do an arm64 allmodconfig build fron linux-next (tag: next-20200915) and > run that in qemu. When I run I see the following output (see full log [1]): > "BUG: KASAN: null-ptr-deref in device_property_read_string_array". > > FYI: this fails because someone passes a NULL struct device * to dev_fwnode() - this is probably caused by some ordering issues in this patch. I'm working on it. Bartosz