From patchwork Thu Feb 23 13:29:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Noralf_Tr=C3=B8nnes?= X-Patchwork-Id: 9588313 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4322060210 for ; Thu, 23 Feb 2017 13:30:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3486C2864F for ; Thu, 23 Feb 2017 13:30:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 297E2286FD; Thu, 23 Feb 2017 13:30:21 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E22392864F for ; Thu, 23 Feb 2017 13:30:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 86ADF6EA03; Thu, 23 Feb 2017 13:30:17 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.domeneshop.no (smtp.domeneshop.no [IPv6:2a01:5b40:0:3005::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2E6C56EA01 for ; Thu, 23 Feb 2017 13:30:14 +0000 (UTC) Received: from 211.81-166-168.customer.lyse.net ([81.166.168.211]:50110 helo=localhost.localdomain) by smtp.domeneshop.no with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1cgtTI-0004j4-8u; Thu, 23 Feb 2017 14:30:12 +0100 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= To: dri-devel@lists.freedesktop.org Subject: [PATCH 2/3] drm/tinydrm: mipi-dbi: Fix field width specifier warning Date: Thu, 23 Feb 2017 14:29:56 +0100 Message-Id: <20170223132957.2839-3-noralf@tronnes.org> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170223132957.2839-1-noralf@tronnes.org> References: <20170223132957.2839-1-noralf@tronnes.org> MIME-Version: 1.0 Cc: linux-kernel@vger.kernel.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This warning is seen on 64-bit builds in functions: 'mipi_dbi_typec1_command': 'mipi_dbi_typec3_command_read': 'mipi_dbi_typec3_command': >> drivers/gpu/drm/tinydrm/mipi-dbi.c:65:20: warning: field width specifier '*' expects argument of type 'int', but argument 5 has type 'size_t {aka long unsigned int}' [-Wformat=] DRM_DEBUG_DRIVER("cmd=%02x, par=%*ph\n", cmd, len, data); \ ^ include/drm/drmP.h:228:40: note: in definition of macro 'DRM_DEBUG_DRIVER' drm_printk(KERN_DEBUG, DRM_UT_DRIVER, fmt, ##__VA_ARGS__) ^~~ >> drivers/gpu/drm/tinydrm/mipi-dbi.c:671:2: note: in expansion of macro 'MIPI_DBI_DEBUG_COMMAND' MIPI_DBI_DEBUG_COMMAND(cmd, parameters, num); ^~~~~~~~~~~~~~~~~~~~~~ Fix by casting 'len' to int in the macro MIPI_DBI_DEBUG_COMMAND(). There is no chance of overflow. Signed-off-by: Noralf Trønnes --- drivers/gpu/drm/tinydrm/mipi-dbi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c b/drivers/gpu/drm/tinydrm/mipi-dbi.c index 2caecde..2d21b49 100644 --- a/drivers/gpu/drm/tinydrm/mipi-dbi.c +++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c @@ -62,9 +62,9 @@ if (!len) \ DRM_DEBUG_DRIVER("cmd=%02x\n", cmd); \ else if (len <= 32) \ - DRM_DEBUG_DRIVER("cmd=%02x, par=%*ph\n", cmd, len, data); \ + DRM_DEBUG_DRIVER("cmd=%02x, par=%*ph\n", cmd, (int)len, data);\ else \ - DRM_DEBUG_DRIVER("cmd=%02x, len=%zu\n", cmd, len); \ + DRM_DEBUG_DRIVER("cmd=%02x, len=%zu\n", cmd, (int)len); \ }) static const u8 mipi_dbi_dcs_read_commands[] = {