--- drivers/staging/rtl8192su/r819xU_cmdpkt.c

+++ drivers/staging/rtl8192su/r819xU_cmdpkt.c

@@ -56,6 +56,12 @@ SendTxCommandPacket(

//Get TCB and local buffer from common pool. (It is shared by CmdQ, MgntQ, and USB coalesce DataQ)

skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4);

+ if (skb == NULL) {

+ RT_TRACE(COMP_ERR, "(%s): unable to alloc skb buffer\n",

+ __func__);

+ rtStatus = false;

+ return rtStatus;

+ }

memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));

tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE);

tcb_desc->queue_index = TXCMD_QUEUE;