linux-kernel - [093/107] iwlagn: fix change

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Message-Id: <20110708001701.763821466@clark.kroah.org>
Date:	Thu, 07 Jul 2011 17:17:05 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Johannes Berg <johannes.berg@...el.com>,
	Wey-Yi Guy <wey-yi.w.guy@...el.com>
Subject: [093/107] iwlagn: fix change_interface for P2P types

2.6.39-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Johannes Berg <johannes.berg@...el.com>

commit 5306c0807491e891125f4fb08b04340c91530f57 upstream.

When an interface changes type to a P2P type,
iwlagn will erroneously set vif->type to the
P2P type and not the reduced/split type. Fix
this by keeping "newtype" in another variable
for the assignment to vif->type.

Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/wireless/iwlwifi/iwl-core.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1772,6 +1772,7 @@ int iwl_mac_change_interface(struct ieee
 	struct iwl_priv *priv = hw->priv;
 	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
 	struct iwl_rxon_context *tmp;
+	enum nl80211_iftype newviftype = newtype;
 	u32 interface_modes;
 	int err;
 
@@ -1814,7 +1815,7 @@ int iwl_mac_change_interface(struct ieee
 
 	/* success */
 	iwl_teardown_interface(priv, vif, true);
-	vif->type = newtype;
+	vif->type = newviftype;
 	vif->p2p = newp2p;
 	err = iwl_setup_interface(priv, ctx);
 	WARN_ON(err);


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