diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
index 1fba7bba3a101edfb01bc7c55ae3720daf332d01..c488f4b44576798dfe3783633149694d9a14761e 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
@@ -274,6 +274,7 @@ static int rsi_send_internal_mgmt_frame(struct rsi_common *common,
 		rsi_dbg(ERR_ZONE, "%s: Unable to allocate skb\n", __func__);
 		return -ENOMEM;
 	}
+	desc = (struct rsi_cmd_desc *)skb->data;
 	desc->desc_dword0.len_qno |= cpu_to_le16(DESC_IMMEDIATE_WAKEUP);
 	skb->priority = MGMT_SOFT_Q;
 	tx_params = (struct skb_info *)&IEEE80211_SKB_CB(skb)->driver_data;