From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933189AbbLROWO (ORCPT ); Fri, 18 Dec 2015 09:22:14 -0500 Received: from mout.kundenserver.de ([217.72.192.73]:59271 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753274AbbLROWK (ORCPT ); Fri, 18 Dec 2015 09:22:10 -0500 From: Arnd Bergmann To: akpm@linux-foundation.org Cc: Petr Mladek , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] printk-nmi: use %zu format string for size_t Date: Fri, 18 Dec 2015 15:21:27 +0100 Message-ID: <3363644.unjjqdaQx2@wuerfel> User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; ) MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:VG57mQQqVMrA2nrTKqe9mueQDxIS0mzE/ToHPFj/gSJDdu7xt9A WgWqf4LxVMXChevaOCH066cDTeZv7CSlbRPUzcoOO6vycDiyice+KXeRJI/ZBv3CkKXjQjk hoVtvkk4j8fYh6dWD0vn+fi0uSXTOrguqkwqNMNnrYIbERQk//3WMLUQ4bizfM/yZS6tOYP JAsbOmLOIQYyRYMedDnWg== X-UI-Out-Filterresults: notjunk:1;V01:K0:oxnmtLHoE/Q=:6loq2iTnkS42CBnAZ7lT1u DLSEXGRw1ezrR82ebF+6hjSKzN6DhGQ51lWgJjvE1m+bOhJGs/q/BC8iB0LhJJ6j4CMui0mxH wqaisJsHkR4Us6UABmG7g2CiVJMBOpM+NXVumReALfdxR+XGPEAX0Z55l3QZk04ea7K3PP0ta 79q8zm7qQRXEfl4ZjGBENkVQcFe/CYGH4ZqroO1wpB6OjwwrbpJ/EQvIy5YuR8e3OgLgdNqYv rUOuAK7LLyOS6xiRlQ3VMIuK37WhpWcuA1O6sJ+BURebuwFke0DNs8ZpKh9b+sGyLIu+U4Lol RQTrHz4Xb+4S3aPgFmzsd82sRULeJWJdQYKfq1ryy0dSk7ooN2eI0awPL4VMrSXSWYxhYLYcb qfQbuVX+Dj+9BJsHw8OWkokPrG4sRtaMOULmkcT6FhwfXUBSsK8aLDSuK1Ybpdqs6JuObSK5I elhQXAp8Bc7aTelWG+HXRod5WioAYCOH46YyDK6MMsIf9anTYBOHkaov6Jhm6z631IF1bTBw5 dZ/jsfpinjQGyk9IgQtnljSa/Uq1GLNMK0anUw0nj74AMRjy4mUunaSc9VTLuhrT1i3BAfP5F 6nHKVywgeIToKyJ4UDUWGsWr0p/sb50LauT3hyDRpwxyB2H1sErHw42LlxvaylKW2I0K/yzax +NDfcb4HgsHWSJKD4VYczAONr6+XYoy19lGslGWdSnueDCne9SvrzL7dLjRz/HK9iXUhCJkMi tehJkzRvwkSI42ZB Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Newly added code in vprintk_nmi prints a size_t using %lu, which causes a warning on architectures like ARM where it is defined as unsigned int: kernel/printk/nmi.c: In function '__printk_nmi_flush': kernel/printk/nmi.c:143:10: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t {aka unsigned int}' [-Wformat=] This uses the format string that works on all architectures. Signed-off-by: Arnd Bergmann Fixes: 0dcfca2060ee ("printk-nmi-generic-solution-for-safe-printk-in-nmi-v4") --- Found on arm randconfig builds Please fold this into the patch that caused the warning diff --git a/kernel/printk/nmi.c b/kernel/printk/nmi.c index 92c61e960c4a..cdee2707a1f2 100644 --- a/kernel/printk/nmi.c +++ b/kernel/printk/nmi.c @@ -140,7 +140,7 @@ more: * @len must only increase. */ if (i && i >= len) - pr_err("printk_nmi_flush: internal error: i=%d >= len=%lu\n", + pr_err("printk_nmi_flush: internal error: i=%d >= len=%zu\n", i, len); if (!len)