From patchwork Mon Jul 7 15:21:52 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 4496051 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E86709F1C4 for ; Mon, 7 Jul 2014 15:25:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 299E1202A1 for ; Mon, 7 Jul 2014 15:25:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5DE1320265 for ; Mon, 7 Jul 2014 15:25:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752269AbaGGPYZ (ORCPT ); Mon, 7 Jul 2014 11:24:25 -0400 Received: from mga09.intel.com ([134.134.136.24]:61235 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751689AbaGGPWC (ORCPT ); Mon, 7 Jul 2014 11:22:02 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 07 Jul 2014 08:16:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,618,1400050800"; d="scan'208";a="539766390" Received: from smile.fi.intel.com ([10.237.72.73]) by orsmga001.jf.intel.com with ESMTP; 07 Jul 2014 08:21:57 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1X4Ajr-0003LD-RQ; Mon, 07 Jul 2014 18:21:55 +0300 From: Andy Shevchenko To: "John W . Linville" , Johannes Berg , devel@driverdev.osuosl.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Andrew Morton , Joe Perches Cc: Andy Shevchenko Subject: [PATCH v2 10/10] staging: rtl8192u: use %*pEn to escape buffer Date: Mon, 7 Jul 2014 18:21:52 +0300 Message-Id: <1404746512-12749-11-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1404746512-12749-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1404746512-12749-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Let's use kernel's native specifier to escape a buffer. Signed-off-by: Andy Shevchenko --- drivers/staging/rtl8192u/ieee80211/ieee80211.h | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h index 1040bab..1a265f9 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h @@ -2576,25 +2576,13 @@ static inline int ieee80211_get_scans(struct ieee80211_device *ieee) static inline const char *escape_essid(const char *essid, u8 essid_len) { static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; - const char *s = essid; - char *d = escaped; if (ieee80211_is_empty_essid(essid, essid_len)) { memcpy(escaped, "", sizeof("")); return escaped; } - essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE); - while (essid_len--) { - if (*s == '\0') { - *d++ = '\\'; - *d++ = '0'; - s++; - } else { - *d++ = *s++; - } - } - *d = '\0'; + snprintf(escaped, sizeof(escaped), "%*pEn", essid_len, essid); return escaped; }