From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751519AbdKELxd (ORCPT ); Sun, 5 Nov 2017 06:53:33 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:55929 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750725AbdKELxc (ORCPT ); Sun, 5 Nov 2017 06:53:32 -0500 From: Colin King To: Lee Jones , Daniel Thompson , Jingoo Han , Bartlomiej Zolnierkiewicz , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] backlight: ili922x: remove redundant variable len Date: Sun, 5 Nov 2017 11:53:26 +0000 Message-Id: <20171105115326.5276-1-colin.king@canonical.com> X-Mailer: git-send-email 2.14.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Colin Ian King The variable len is assigned but never read, therefore it is redundant and can be removed. Cleans up clang warning: drivers/video/backlight/ili922x.c:276:2: warning: Value stored to 'len' is never read Signed-off-by: Colin Ian King --- drivers/video/backlight/ili922x.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/video/backlight/ili922x.c b/drivers/video/backlight/ili922x.c index a9e9cef..2b6c6aa 100644 --- a/drivers/video/backlight/ili922x.c +++ b/drivers/video/backlight/ili922x.c @@ -251,7 +251,7 @@ static int ili922x_write(struct spi_device *spi, u8 reg, u16 value) struct spi_transfer xfer_regindex, xfer_regvalue; unsigned char tbuf[CMD_BUFSIZE]; unsigned char rbuf[CMD_BUFSIZE]; - int ret, len = 0; + int ret; memset(&xfer_regindex, 0, sizeof(struct spi_transfer)); memset(&xfer_regvalue, 0, sizeof(struct spi_transfer)); @@ -273,7 +273,6 @@ static int ili922x_write(struct spi_device *spi, u8 reg, u16 value) ret = spi_sync(spi, &msg); spi_message_init(&msg); - len = 0; tbuf[0] = set_tx_byte(START_BYTE(ili922x_id, START_RS_REG, START_RW_WRITE)); tbuf[1] = set_tx_byte((value & 0xFF00) >> 8); -- 2.7.4