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From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Cc: linux-wireless@vger.kernel.org,
	"John W. Linville" <linville@tuxdriver.com>
Subject: [PATCH] iwlagn: fix priv->cfg->ht_params NULL pointer dereference
Date: Wed, 12 Oct 2011 10:16:35 +0200	[thread overview]
Message-ID: <20111012081634.GA2675@redhat.com> (raw)

This fix regression introduced by commit:

commit 15b3f3b006b42a678523cad989bfd60b76bf4403
Author: Wey-Yi Guy <wey-yi.w.guy@intel.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

If fix will not get 3.1 release, it should be applied in 3.1 stable.

Cc: stable@kernel.org # 3.1+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rxon.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index ca632f9..5004342 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -296,8 +296,8 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv,
 		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);
 
-- 
1.7.1


             reply	other threads:[~2011-10-12  8:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-12  8:16 Stanislaw Gruszka [this message]
2011-10-12 13:26 ` [PATCH] iwlagn: fix priv->cfg->ht_params NULL pointer dereference Guy, Wey-Yi

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