Hi Dan, Sorry for the mistake. I will send a new patch to fix this issue and make sure no such things happen again. Thanks, Prameela On Tue, Aug 1, 2017 at 4:34 PM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > Hello Prameela Rani Garnepudi, > > The patch 9a629fafe7d8: "rsi: immediate wakeup bit and priority for > TX command packets" from Jul 10, 2017, leads to the following static > checker warning: > > drivers/net/wireless/rsi/rsi_91x_mgmt.c:277 rsi_send_internal_mgmt_frame() > error: potentially dereferencing uninitialized 'desc'. > > drivers/net/wireless/rsi/rsi_91x_mgmt.c > 267 static int rsi_send_internal_mgmt_frame(struct rsi_common *common, > 268 struct sk_buff *skb) > 269 { > 270 struct skb_info *tx_params; > 271 struct rsi_cmd_desc *desc; > ^^^^ > 272 > 273 if (skb == NULL) { > 274 rsi_dbg(ERR_ZONE, "%s: Unable to allocate skb\n", __func__); > 275 return -ENOMEM; > 276 } > 277 desc->desc_dword0.len_qno |= cpu_to_le16(DESC_IMMEDIATE_WAKEUP); > ^^^^^^ > > 278 skb->priority = MGMT_SOFT_Q; > 279 tx_params = (struct skb_info *)&IEEE80211_SKB_CB(skb)->driver_data; > 280 tx_params->flags |= INTERNAL_MGMT_PKT; > 281 skb_queue_tail(&common->tx_queue[MGMT_SOFT_Q], skb); > 282 rsi_set_event(&common->tx_thread.event); > 283 return 0; > 284 } > > regards, > dan carpenter -- G. Prameela Rani (M.Tech,CSE)