From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752823AbZEENW7 (ORCPT ); Tue, 5 May 2009 09:22:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751027AbZEENWt (ORCPT ); Tue, 5 May 2009 09:22:49 -0400 Received: from mgw2.diku.dk ([130.225.96.92]:39977 "EHLO mgw2.diku.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750856AbZEENWs (ORCPT ); Tue, 5 May 2009 09:22:48 -0400 Date: Tue, 5 May 2009 15:22:43 +0200 (CEST) From: Julia Lawall To: richard@rsk.demon.co.uk, gregkh@suse.de, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: p80211wext.c: problem with IW_ENCODE_ALG_WEP Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Julia Lawall The expression !(ext->alg & IW_ENCODE_ALG_WEP) appears to be incorrect, because there are several possible values for ext->alg that give 1 when bit-anded with IW_ENCODE_ALG_WEP. Therefore Richard Kennedy suggested to rewrite the code with != Signed-off-by: Julia Lawall --- .../drivers/staging/wlan-ng/p80211wext.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/staging/wlan-ng/p80211wext.c b/drivers/staging/wlan-ng/p80211wext.c index 96078b0..e00e305 100644 --- a/drivers/staging/wlan-ng/p80211wext.c +++ b/drivers/staging/wlan-ng/p80211wext.c @@ -1487,7 +1487,7 @@ static int p80211wext_set_encodeext(struct net_device *dev, } if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { - if (!(ext->alg & IW_ENCODE_ALG_WEP)) { + if (ext->alg != IW_ENCODE_ALG_WEP) { pr_debug("asked to set a non wep key :("); return -EINVAL; }