From: Johannes Berg <johannes@sipsolutions.net>
To: Joe Perches <joe@perches.com>
Cc: Chen Gang <gang.chen.5i5j@gmail.com>,
"John W. Linville" <linville@tuxdriver.com>,
rkuo <rkuo@codeaurora.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
David Miller <davem@davemloft.net>,
linux-wireless@vger.kernel.org, netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH] net: mac80211: tx.c: be sure of 'sdata->vif.type' must be NL80211_IFTYPE_AP when be in NL80211_IFTYPE_AP case
Date: Sun, 01 Dec 2013 10:35:23 +0100 [thread overview]
Message-ID: <1385890523.4171.1.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <1385843940.2664.4.camel@joe-AO722>
On Sat, 2013-11-30 at 12:39 -0800, Joe Perches wrote:
> +++ b/net/mac80211/tx.c
> @@ -1777,18 +1777,16 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
> }
> ap_sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
> u.ap);
> - chanctx_conf = rcu_dereference(ap_sdata->vif.chanctx_conf);
> - if (!chanctx_conf)
> - goto fail_rcu;
> - band = chanctx_conf->def.chan->band;
> - if (sta)
> - break;
> /* fall through */
> case NL80211_IFTYPE_AP:
> - if (sdata->vif.type == NL80211_IFTYPE_AP)
> - chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
> + chanctx_conf = rcu_dereference(ap_sdata->vif.chanctx_conf);
Good try, but no, now ap_sdata isn't even assigned. :)
johannes
next prev parent reply other threads:[~2013-12-01 9:35 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <528AEFB7.4060301@gmail.com>
[not found] ` <20131125011938.GB18921@codeaurora.org>
[not found] ` <5292B845.3010404@gmail.com>
[not found] ` <5292B8A0.7020409@gmail.com>
[not found] ` <5294255E.7040105@gmail.com>
2013-11-27 4:53 ` [PATCH] net: mac80211: tx.c: be sure of 'sdata->vif.type' must be NL80211_IFTYPE_AP when be in NL80211_IFTYPE_AP case Chen Gang
2013-11-29 15:38 ` Johannes Berg
2013-11-30 11:59 ` Chen Gang
2013-11-30 12:53 ` Johannes Berg
[not found] ` <1385816013.4327.1.camel-8Nb76shvtaUJvtFkdXX2HixXY32XiHfO@public.gmane.org>
2013-11-30 13:50 ` Chen Gang
2013-11-30 14:02 ` Chen Gang
2013-11-30 20:08 ` Johannes Berg
2013-11-30 20:39 ` Joe Perches
2013-11-30 23:48 ` Chen Gang
[not found] ` <529A7955.9010507-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-11-30 23:59 ` Chen Gang
2013-12-01 9:37 ` Johannes Berg
[not found] ` <1385890647.4171.3.camel-8Nb76shvtaUJvtFkdXX2HixXY32XiHfO@public.gmane.org>
2013-12-01 11:50 ` Chen Gang
2013-12-01 9:35 ` Johannes Berg [this message]
2013-12-01 22:38 ` Joe Perches
2013-12-02 0:45 ` Chen Gang
2013-12-02 14:48 ` Johannes Berg
2013-12-04 2:12 ` Chen Gang
[not found] ` <529E8F90.1020205-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-12-04 8:04 ` Johannes Berg
2013-12-04 8:41 ` Chen Gang
2013-12-04 8:49 ` Johannes Berg
2013-12-04 9:00 ` Chen Gang
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