iwlwifi: increase max payload of iwl_cmd

This patch increases iwl_cmd payload maximum size from 360 to 640
to fit some of iwl5000 commands as well.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index f7fd8ea..1ee8121 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -307,6 +307,8 @@
 
 } __attribute__ ((packed));
 
+#define IWL_CMD_MAX_PAYLOAD 640
+
 /**
  * struct iwl_cmd
  *
@@ -332,7 +334,7 @@
 		struct iwl4965_tx_beacon_cmd tx_beacon;
 		struct iwl4965_rxon_assoc_cmd rxon_assoc;
 		u8 *indirect;
-		u8 payload[360];
+		u8 payload[IWL_CMD_MAX_PAYLOAD];
 	} __attribute__ ((packed)) cmd;
 } __attribute__ ((packed));