From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966905AbcKLST5 (ORCPT ); Sat, 12 Nov 2016 13:19:57 -0500 Received: from onstation.org ([52.200.56.107]:55942 "EHLO onstation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966856AbcKLSTy (ORCPT ); Sat, 12 Nov 2016 13:19:54 -0500 From: Brian Masney To: jic23@kernel.org, linux-iio@vger.kernel.org Cc: devel@driverdev.osuosl.org, gregkh@linuxfoundation.org, lars@metafoo.de, pmeerw@pmeerw.net, knaack.h@gmx.de, linux-kernel@vger.kernel.org, Jon.Brenner@ams.com Subject: [PATCH v4 23/26] staging: iio: tsl2583: remove unnecessary memset call Date: Sat, 12 Nov 2016 13:19:38 -0500 Message-Id: <1478974781-1457-24-git-send-email-masneyb@onstation.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1478974781-1457-1-git-send-email-masneyb@onstation.org> References: <1478974781-1457-1-git-send-email-masneyb@onstation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The entries in the lux table (als_device_lux) can be updated via sysfs through the function in_illuminance_lux_table_store(). The last row in the table must be terminated with values that are zero. The sysfs code already ensures that the last row is all zeros. The call to memset to clear out the table is not needed so this patch removes the unnecessary call. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2583.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c index 9db191f..712f753 100644 --- a/drivers/staging/iio/light/tsl2583.c +++ b/drivers/staging/iio/light/tsl2583.c @@ -591,9 +591,6 @@ static ssize_t in_illuminance_lux_table_store(struct device *dev, goto done; } - /* Zero out the table */ - memset(chip->als_settings.als_device_lux, 0, - sizeof(chip->als_settings.als_device_lux)); memcpy(chip->als_settings.als_device_lux, &value[1], value[0] * sizeof(value[1])); -- 2.7.4