Received: by 10.223.176.5 with SMTP id f5csp1692389wra; Sun, 4 Feb 2018 09:47:53 -0800 (PST) X-Google-Smtp-Source: AH8x225qRusZ3o8bWESdm8XnSo90N6a3mAFu8XhdtGWJmUpA2E5OOZ7F1qWjY9LFmTSEmMeKwv5C X-Received: by 2002:a17:902:6988:: with SMTP id l8-v6mr40970360plk.394.1517766473846; Sun, 04 Feb 2018 09:47:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517766473; cv=none; d=google.com; s=arc-20160816; b=mKAIL8E6YVzkeSb1QlmoJiPkboqldGHdaKvA0QnBJ8UjzkIyFMaqrX2ibb7dDHYu4m nvCLNvRMR8t7f3teSNVTKyI7k4aWCgnZcppIZnvRFJ7yoTBigbFfxhYbBTOwYyS3DlU1 xwtdOfIcGR+yuCKGYYmHmhrHUEimbadSh5+yhk2FxQHQ/x+HBVcR+nm+89yWP8vsr8Aj Gflq1d1femANBuhfIU4AKhLlaPBIPRPGCWoLJBzg6QtY3kbqe9QH1gut9HVwqiBwVYP0 vbpM65DTvWdRHDCmxBFXOJQXH5P+LYxwoaABO7HlGbyHPFqgm6+8w4o1BM0sO6YoJNic CEfQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:subject:message-id:date:cc:to:from :arc-authentication-results; bh=G4yzCu1Q67X+FX2gywdMWoAOk387zrJiKjihz3zSNbo=; b=ubM0UPsO3PFxzdm/Aj70hfyUbC5dtgywWmZHtKHyxzVLv0z/NaZ5q2HkfP/+OVEUXb MRqUF+uclmD0JIDyJp6kEl/jglMb7rlnQ+RD6ydxP9+D2Ngw57ezdP8u6WZyuh2IBA+V bRnH4sXoXJC2T1I5Y9S76pW627WBAZHMPD/igIpILjtU+N74e255xbruJWqYtFUEe53L eJLuCsgcFcqheAmWAxPs511HquxTVdU7e8k9y3XahoE5rjlHc0Slm8Gq+rXqVyYS0SQF 2qK5oN0dnUiNXhR1rRKIJWTyeJlC2lpI5u7N2bfdHllbv4t7XlMAULFZ6Gy88m40HE79 Akzg== 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 t5-v6si3678821plj.345.2018.02.04.09.47.39; Sun, 04 Feb 2018 09:47:53 -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 S1752031AbeBDRpq (ORCPT + 99 others); Sun, 4 Feb 2018 12:45:46 -0500 Received: from tartarus.angband.pl ([89.206.35.136]:57352 "EHLO tartarus.angband.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751577AbeBDRpl (ORCPT ); Sun, 4 Feb 2018 12:45:41 -0500 Received: from 89-71-161-30.dynamic.chello.pl ([89.71.161.30] helo=umbar.angband.pl) by tartarus.angband.pl with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1eiOM0-00080B-Ns; Sun, 04 Feb 2018 18:45:26 +0100 Received: from kilobyte by umbar.angband.pl with local (Exim 4.90) (envelope-from ) id 1eiOM0-0005Zi-AT; Sun, 04 Feb 2018 18:45:24 +0100 From: Adam Borowski To: Petr Mladek , Sergey Senozhatsky , Steven Rostedt , linux-kernel@vger.kernel.org Cc: Adam Borowski Date: Sun, 4 Feb 2018 18:45:21 +0100 Message-Id: <20180204174521.21383-1-kilobyte@angband.pl> X-Mailer: git-send-email 2.15.1 X-SA-Exim-Connect-IP: 89.71.161.30 X-SA-Exim-Mail-From: kilobyte@angband.pl X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tartarus X-Spam-Level: X-Spam-Status: No, score=-2.9 required=8.0 tests=ALL_TRUSTED=-1,BAYES_00=-1.9, TVD_RCVD_IP=0.001 autolearn=ham autolearn_force=no languages=en Subject: [PATCH] vsprintf: avoid misleading "(null)" for %px X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on tartarus.angband.pl) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Like %pK already does, print "00000000" instead. This confused people -- the convention is that "(null)" means you tried to dereference a null pointer as opposed to printing the address. Signed-off-by: Adam Borowski --- lib/vsprintf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 77ee6ced11b1..d7a708f82559 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -1849,7 +1849,7 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, { const int default_width = 2 * sizeof(void *); - if (!ptr && *fmt != 'K') { + if (!ptr && *fmt != 'K' && *fmt != 'x') { /* * Print (null) with the same width as a pointer so it makes * tabular output look nice. -- 2.15.1