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Message-Id: <20111109213152.583557479@clark.kroah.org>
Date: Wed, 09 Nov 2011 13:32:31 -0800
From: Greg KH <gregkh@...e.de>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
alan@...rguk.ukuu.org.uk, Stanislaw Gruszka <sgruszka@...hat.com>,
Wey-Yi Guy <wey-yi.w.guy@...el.com>,
"John W. Linville" <linville@...driver.com>
Subject: [104/264] iwlagn: fix priv->cfg->ht_params NULL pointer dereference
3.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Stanislaw Gruszka <sgruszka@...hat.com>
commit 107ef97a170dec95893f34614edd92eb8cb9b5d0 upstream.
This fix regression introduced by commit:
commit 15b3f3b006b42a678523cad989bfd60b76bf4403
Author: Wey-Yi Guy <wey-yi.w.guy@...el.com>
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 <sgruszka@...hat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@...el.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
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);
--
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