From patchwork Wed Aug 20 09:42:52 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 4748401 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 ECF4C9F375 for ; Wed, 20 Aug 2014 09:46:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 27E54201D3 for ; Wed, 20 Aug 2014 09:46:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D4CF201C8 for ; Wed, 20 Aug 2014 09:46:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751977AbaHTJnA (ORCPT ); Wed, 20 Aug 2014 05:43:00 -0400 Received: from mga01.intel.com ([192.55.52.88]:60159 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751844AbaHTJm6 (ORCPT ); Wed, 20 Aug 2014 05:42:58 -0400 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP; 20 Aug 2014 02:42:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,901,1400050800"; d="scan'208";a="579224959" Received: from smile.fi.intel.com (HELO smile) ([10.237.72.77]) by fmsmga001.fm.intel.com with ESMTP; 20 Aug 2014 02:42:54 -0700 Received: from andy by smile with local (Exim 4.84) (envelope-from ) id 1XK2Pt-00076l-11; Wed, 20 Aug 2014 12:42:53 +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 v3 11/11] staging: rtl8192u: use %*pEn to escape buffer Date: Wed, 20 Aug 2014 12:42:52 +0300 Message-Id: <1408527772-27224-12-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1408527772-27224-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1408527772-27224-1-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 c118551..078333b 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h @@ -2580,25 +2580,13 @@ 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; }