From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751354AbdBWNaS (ORCPT ); Thu, 23 Feb 2017 08:30:18 -0500 Received: from smtp.domeneshop.no ([194.63.252.55]:34047 "EHLO smtp.domeneshop.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751032AbdBWNaO (ORCPT ); Thu, 23 Feb 2017 08:30:14 -0500 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= To: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= Subject: [PATCH 1/3] =?UTF-8?q?drm/tinydrm:=20mipi-dbi:=20Silence:=20?= =?UTF-8?q?=E2=80=98cmd=E2=80=99=20may=20be=20used=20uninitialized?= Date: Thu, 23 Feb 2017 14:29:55 +0100 Message-Id: <20170223132957.2839-2-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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix this warning: drivers/gpu/drm/tinydrm/mipi-dbi.c: In function ‘mipi_dbi_debugfs_command_write’: drivers/gpu/drm/tinydrm/mipi-dbi.c:905:8: warning: ‘cmd’ may be used uninitialized in this function [-Wmaybe-uninitialized] ret = mipi_dbi_command_buf(mipi, cmd, parameters, i); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cmd can't be used uninitialized, but to satisfy the compiler, initialize it to zero. Signed-off-by: Noralf Trønnes --- drivers/gpu/drm/tinydrm/mipi-dbi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c b/drivers/gpu/drm/tinydrm/mipi-dbi.c index 07d49ba..2caecde 100644 --- a/drivers/gpu/drm/tinydrm/mipi-dbi.c +++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c @@ -863,7 +863,7 @@ static ssize_t mipi_dbi_debugfs_command_write(struct file *file, { struct seq_file *m = file->private_data; struct mipi_dbi *mipi = m->private; - u8 val, cmd, parameters[64]; + u8 val, cmd = 0, parameters[64]; char *buf, *pos, *token; unsigned int i; int ret; -- 2.10.2