Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp3224789imu; Sat, 24 Nov 2018 00:30:58 -0800 (PST) X-Google-Smtp-Source: AFSGD/VLvEp/UTZbgUBbLTLeK6NLVdodDMyEdeU/nX/Tv/0cLkWkuw7ghK6zjcu8HsBVpjNjL5In X-Received: by 2002:a17:902:2dc3:: with SMTP id p61mr18701998plb.166.1543048258817; Sat, 24 Nov 2018 00:30:58 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543048258; cv=none; d=google.com; s=arc-20160816; b=Vrw43pF4MwAoprf3DqmXbKAR5Av+1T6oWaIUPUgMEZqo4hLlp/O9zvhW+J/Z9VbQps b+IFc6x/SzGn+Ab6YGWqlqLofKzubVtk5b3wMX7k7Zmw1SU6aWNI9+5cthVsj6OOWtdH CWUtMDJNSa6URhd2W17MdZhTrFXyepgoIOkaW49WW394A5pVR1LLSlfW97DHhbjbWOhR Fi5favMF59YytuRizZcd7N5lK/cqfSBDZxgoNkVJUzNc5a7keyM6BBArWveLX/lNaglA xRPLoek4Y3xpq1A8+COwXNi9tXiRP+oEACT2tJfc40zjMFcA/543emTchuoi9aVfpcT6 LFpw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version; bh=KtjuxidprlDLVOls/eZ8OMHERPfgrBk7C0ZztidCI9E=; b=Jf+MgXk5g/B+TW3ASTsa5dh3Fjov4hEKKK5FMBOJ0GRAMV0EQzECmFjjyuSZDWs1P6 H6Ff08aEUWqF7fK027qfLCY+lMCjYH1caFUZF0oBRpSrAjqOAXOOZwGMpSbYYhNg3sY/ yohEhZmkzGs0r3rIxUFPZ+V5dOFRg0xhqeO/gf/JM0y/ZM6auoOVOqz3u7+Ka4hgurte OjT5OzlNCI9i36suOpGLUV4u/hhs7w6D7T09A5eWEJ2FibR0hqPpjLPr2998CZ1kDJct EbQ5mlHJ05E2t51rkgacfjsNosvoriGn/s4DXGjSvnOhqeYHh68sBDjpnQP6ZRI94zxP sjLA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v6si49513872pgv.277.2018.11.24.00.30.44; Sat, 24 Nov 2018 00:30:58 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394601AbeKWWuP (ORCPT + 99 others); Fri, 23 Nov 2018 17:50:15 -0500 Received: from mail-ua1-f65.google.com ([209.85.222.65]:33462 "EHLO mail-ua1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388295AbeKWWuP (ORCPT ); Fri, 23 Nov 2018 17:50:15 -0500 Received: by mail-ua1-f65.google.com with SMTP id t8so4036701uap.0; Fri, 23 Nov 2018 04:06:17 -0800 (PST) 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=KtjuxidprlDLVOls/eZ8OMHERPfgrBk7C0ZztidCI9E=; b=U5iC95OaL/G8KpmPpAHVJZlMGfkLIsSe/4ebE5c4qI0lchhkAyDG6Z3PL8UzckNcX0 kD6b2asqzINb1p0PrkMsWyvU5OaTXSIBfxMtl6pu7aKE/6asY+nPgaQBFb++Xiqbb/lc AdYa1Dt7K1BeOeILk/2Hmvhmi6Qtni284JS+x66q6XSg9oRtVVgn0P/24dxvRUBghAN1 UVsshA+hbQB12pg/3IyuWYBDR+i51Lj61+ZvpTXz46X7tyyrITryH23LokSzACdtiVb2 cITmQzAhiKfgdzegxe1tKijWiFRCbtxCZrgmTTaVLApLvbmMNmm4wnbwUPjsBj/XyEHn p2cw== X-Gm-Message-State: AA+aEWYslEDsioSoyrNlgNljyIW1fjhxdDtaRtYW1pZV3nRY8B9i6WBp RJjdTKkseP4sKGHQQsDhh4pPUgyXlhCvyYEpK5c= X-Received: by 2002:ab0:7251:: with SMTP id d17mr6634282uap.0.1542974776542; Fri, 23 Nov 2018 04:06:16 -0800 (PST) MIME-Version: 1.0 References: <20181123105428.13457-1-phil.edworthy@renesas.com> <20181123105428.13457-2-phil.edworthy@renesas.com> In-Reply-To: <20181123105428.13457-2-phil.edworthy@renesas.com> From: Geert Uytterhoeven Date: Fri, 23 Nov 2018 13:06:02 +0100 Message-ID: Subject: Re: [PATCH] pinctrl: rzn1: Fix of_get_child_count() error check To: Phil Edworthy Cc: Jacopo Mondi , Linus Walleij , "open list:GPIO SUBSYSTEM" , Linux Kernel Mailing List , Linux-Renesas Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 23, 2018 at 11:54 AM Phil Edworthy wrote: > If we assign the result of of_get_child_count() to an unsigned int, > the code will not detect any errors. Therefore assign it to an int > instead. Note that currently of_get_child_count() never returns a negative error code. But it does return int, not unsigned int. > Signed-off-by: Phil Edworthy Reviewed-by: Geert Uytterhoeven i.e. will queue in sh-pfc-for-v4.21. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds