From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965255Ab1KJDkT (ORCPT ); Wed, 9 Nov 2011 22:40:19 -0500 Received: from cantor2.suse.de ([195.135.220.15]:44137 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965240Ab1KJDkN (ORCPT ); Wed, 9 Nov 2011 22:40:13 -0500 X-Mailbox-Line: From gregkh@clark.kroah.org Wed Nov 9 13:31:52 2011 Message-Id: <20111109213152.583557479@clark.kroah.org> User-Agent: quilt/0.48-16.4 Date: Wed, 09 Nov 2011 13:32:31 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Stanislaw Gruszka , Wey-Yi Guy , "John W. Linville" Subject: [104/264] iwlagn: fix priv->cfg->ht_params NULL pointer dereference In-Reply-To: <20111109213508.GA3476@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Stanislaw Gruszka commit 107ef97a170dec95893f34614edd92eb8cb9b5d0 upstream. This fix regression introduced by commit: commit 15b3f3b006b42a678523cad989bfd60b76bf4403 Author: Wey-Yi Guy Date: Fri Jun 3 07:54:13 2011 -0700 iwlagn: set smps mode after assoc for 1000 device Also remove unneeded brackets on the way. Address: https://bugzilla.redhat.com/show_bug.cgi?id=744155 Signed-off-by: Stanislaw Gruszka Acked-by: Wey-Yi Guy Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -295,8 +295,8 @@ static int iwlagn_rxon_connect(struct iw return ret; } - if ((ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION) && - priv->cfg->ht_params->smps_mode) + if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION && + priv->cfg->ht_params && priv->cfg->ht_params->smps_mode) ieee80211_request_smps(ctx->vif, priv->cfg->ht_params->smps_mode);