diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index fe36a38f3505bd1232ac5aab3cbdfe9f7fca5ef4..cd9b6de4273e8c035a8bcdd39bf715316825db90 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -128,10 +128,11 @@ int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 			       struct iwl_device_cmd *cmd)
 {
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
-	struct iwl_addsta_cmd *addsta =
-		(struct iwl_addsta_cmd *) cmd->payload;
 
-	return iwl_process_add_sta_resp(priv, addsta, pkt);
+	if (!cmd)
+		return 0;
+
+	return iwl_process_add_sta_resp(priv, (void *)cmd->payload, pkt);
 }
 
 int iwl_send_add_sta(struct iwl_priv *priv,