Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 03 May 2018 13:45:25 +0200 (CEST) Received: from mga03.intel.com ([134.134.136.65]:47647 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23991485AbeECLpSkOgoE (ORCPT ); Thu, 3 May 2018 13:45:18 +0200 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 May 2018 04:45:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,358,1520924400"; d="scan'208";a="38126224" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga007.jf.intel.com with ESMTP; 03 May 2018 04:45:13 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 4888CF1; Thu, 3 May 2018 14:45:12 +0300 (EEST) From: Andy Shevchenko To: Ralf Baechle , James Hogan , linux-mips@linux-mips.org Cc: Andy Shevchenko Subject: [PATCH v1] MIPS: Re-use kstrtobool_from_user() Date: Thu, 3 May 2018 14:45:11 +0300 Message-Id: <20180503114511.29969-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.17.0 Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 63856 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: andriy.shevchenko@linux.intel.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Re-use kstrtobool_from_user() instead of open coded variant. Signed-off-by: Andy Shevchenko --- arch/mips/mm/sc-debugfs.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/arch/mips/mm/sc-debugfs.c b/arch/mips/mm/sc-debugfs.c index 2e2132d3f5c7..2a116084216f 100644 --- a/arch/mips/mm/sc-debugfs.c +++ b/arch/mips/mm/sc-debugfs.c @@ -31,17 +31,10 @@ static ssize_t sc_prefetch_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { - char buf[32]; - ssize_t buf_size; bool enabled; int err; - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; - err = strtobool(buf, &enabled); + err = kstrtobool_from_user(user_buf, count, &enabled); if (err) return err; -- 2.17.0