iwlagn: fix change_interface for P2P types

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.

Cc: stable@kernel.org [2.6.38+]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 213c80c..45cc51c 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1763,6 +1763,7 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
        struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
        struct iwl_rxon_context *bss_ctx = &priv->contexts[IWL_RXON_CTX_BSS];
        struct iwl_rxon_context *tmp;
+       enum nl80211_iftype newviftype = newtype;
        u32 interface_modes;
        int err;
 
@@ -1818,7 +1819,7 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 
        /* 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);