Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751388AbaJLKrZ (ORCPT ); Sun, 12 Oct 2014 06:47:25 -0400 Received: from mail-lb0-f178.google.com ([209.85.217.178]:63978 "EHLO mail-lb0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751032AbaJLKrY (ORCPT ); Sun, 12 Oct 2014 06:47:24 -0400 From: Rickard Strandqvist To: Matt Mackall , Herbert Xu Cc: Rickard Strandqvist , Torsten Duwe , "Theodore Ts'o" , Jason Cooper , Amit Shah , Stephen Boyd , Paul Gortmaker , Kees Cook , Dan Carpenter , linux-kernel@vger.kernel.org Subject: [PATCH v2] char: hw_random: core.c: Changed from using strncat to strlcat Date: Sun, 12 Oct 2014 12:49:31 +0200 Message-Id: <1413110971-17392-1-git-send-email-rickard_strandqvist@spectrumdigital.se> X-Mailer: git-send-email 1.7.10.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changed from using strncat to strlcat to simplify the code Signed-off-by: Rickard Strandqvist --- drivers/char/hw_random/core.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index aa30a25..1500cfd 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -281,7 +281,6 @@ static ssize_t hwrng_attr_available_show(struct device *dev, char *buf) { int err; - ssize_t ret = 0; struct hwrng *rng; err = mutex_lock_interruptible(&rng_mutex); @@ -289,16 +288,13 @@ static ssize_t hwrng_attr_available_show(struct device *dev, return -ERESTARTSYS; buf[0] = '\0'; list_for_each_entry(rng, &rng_list, list) { - strncat(buf, rng->name, PAGE_SIZE - ret - 1); - ret += strlen(rng->name); - strncat(buf, " ", PAGE_SIZE - ret - 1); - ret++; + strlcat(buf, rng->name, PAGE_SIZE); + strlcat(buf, " ", PAGE_SIZE); } - strncat(buf, "\n", PAGE_SIZE - ret - 1); - ret++; + strlcat(buf, "\n", PAGE_SIZE); mutex_unlock(&rng_mutex); - return ret; + return strlen(buf); } static DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR, -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/