Return-path: Received: from mail-wi0-f179.google.com ([209.85.212.179]:37404 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751632AbaJTPNQ (ORCPT ); Mon, 20 Oct 2014 11:13:16 -0400 Received: by mail-wi0-f179.google.com with SMTP id d1so6648670wiv.6 for ; Mon, 20 Oct 2014 08:13:15 -0700 (PDT) Date: Mon, 20 Oct 2014 17:13:02 +0200 From: Karl Beldan To: Johannes Berg Cc: Karl Beldan , linux-wireless , Felix Fietkau Subject: Re: [PATCH v5 0/4] add VHT support to minstrel_ht Message-ID: <20141020151302.GB7691@magnum.frso.rivierawaves.com> (sfid-20141020_171319_873185_771E5100) References: <1413812762-6605-1-git-send-email-karl.beldan@gmail.com> <1413816546.32358.3.camel@jlt4.sipsolutions.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: <1413816546.32358.3.camel@jlt4.sipsolutions.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, Oct 20, 2014 at 04:49:06PM +0200, Johannes Berg wrote: > On Mon, 2014-10-20 at 15:45 +0200, Karl Beldan wrote: > > From: Karl Beldan > > > > Hi, > > > > Varka Bhadram reported checkpatch is noisy on this series. > > I made another pass which affects [2/4](trivially) and [4/4]. > > This could have been a patch on top of what Felix acked, I hope you > > won't bother too much. > > This series introduces the following new sparse/smatch complaints: > > CHECK /home/johannes/sys/wireless/net/mac80211/rc80211_minstrel_ht.c > /home/johannes/sys/wireless/net/mac80211/rc80211_minstrel_ht.c:246:18: warning: cast to restricted __le16 > /home/johannes/sys/wireless/net/mac80211/rc80211_minstrel_ht.c:1227:49: warning: incorrect type in argument 3 (different base types) > /home/johannes/sys/wireless/net/mac80211/rc80211_minstrel_ht.c:1227:49: expected unsigned short [unsigned] [usertype] mcs_map > /home/johannes/sys/wireless/net/mac80211/rc80211_minstrel_ht.c:1227:49: got restricted __le16 [usertype] tx_mcs_map > > Here it looks like the argument to minstrel_get_valid_vht_rates() should > be declared __le16. > Indeed, will resending only 4/4 do ? > CHECK /home/johannes/sys/wireless/net/mac80211/rc80211_minstrel_ht_debugfs.c > /home/johannes/sys/wireless/net/mac80211/rc80211_minstrel_ht_debugfs.c:47 minstrel_ht_stats_dump() error: testing array offset 'i' after use. > /home/johannes/sys/wireless/net/mac80211/rc80211_minstrel_ht_debugfs.c:61 minstrel_ht_stats_dump() error: testing array offset 'i' after use. > > Here I'm not sure, seems like it's a false positive maybe? The array > seems large enough for everything that's going on here. > False positive. I am using CF="-Wsparse-all" and I don't get those warnings with sparse 0.4.5, I'll update. Karl