Staging: Use !x instead of x == NULL

index 76f60ba..205298e 100644
@@ -248,7 +248,7 @@ u8 r8712_efuse_pg_packet_read(struct _adapter *padapter, u8 offset, u8 *data)
 	u8 tmpdata[PGPKT_DATA_SIZE];
 	u8 ret = true;
 
-	if (data == NULL)
+	if (!data)
 		return false;
 	if (offset > 0x0f)
 		return false;

index 4027d1a..66f0e0a 100644
@@ -60,7 +60,7 @@ int r8712_init_recv_priv(struct recv_priv *precvpriv, struct _adapter *padapter)
 	_init_queue(&precvpriv->free_recv_buf_queue);
 	precvpriv->pallocated_recv_buf =
 		kzalloc(NR_RECVBUFF * sizeof(struct recv_buf) + 4, GFP_ATOMIC);
-	if (precvpriv->pallocated_recv_buf == NULL)
+	if (!precvpriv->pallocated_recv_buf)
 		return _FAIL;
 	precvpriv->precv_buf = precvpriv->pallocated_recv_buf + 4 -
 			      ((addr_t) (precvpriv->pallocated_recv_buf) & 3);

@@ -274,7 +274,7 @@ union recv_frame *r8712_recvframe_chk_defrag(struct _adapter *padapter,
 	fragnum = pfhdr->attrib.frag_num;
 	psta_addr = pfhdr->attrib.ta;
 	psta = r8712_get_stainfo(pstapriv, psta_addr);
-	if (psta == NULL)
+	if (!psta)
 		pdefrag_q = NULL;
 	else
 		pdefrag_q = &psta->sta_recvpriv.defrag_q;

@@ -999,15 +999,15 @@ int recv_func(struct _adapter *padapter, void *pcontext)
 	}
 	process_phy_info(padapter, prframe);
 	prframe = r8712_decryptor(padapter, prframe);
-	if (prframe == NULL) {
+	if (!prframe) {
 		retval = _FAIL;
 		goto _exit_recv_func;
 	}
 	prframe = r8712_recvframe_chk_defrag(padapter, prframe);
-	if (prframe == NULL)
+	if (!prframe)
 		goto _exit_recv_func;
 	prframe = r8712_portctrl(padapter, prframe);
-	if (prframe == NULL) {
+	if (!prframe) {
 		retval = _FAIL;
 		goto _exit_recv_func;
 	}

@@ -1065,7 +1065,7 @@ static int recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb)
 		if ((le32_to_cpu(prxstat->rxdw0) >> 23) & 0x01)
 			shift_sz = 2;
 		precvframe = r8712_alloc_recvframe(pfree_recv_queue);
-		if (precvframe == NULL)
+		if (!precvframe)
 			goto  _exit_recvbuf2recvframe;
 		INIT_LIST_HEAD(&precvframe->u.hdr.list);
 		precvframe->u.hdr.precvbuf = NULL; /*can't access the precvbuf*/

index 4bbf76f..c4f03a6 100644
@@ -629,7 +629,7 @@ int r8712_xmitframe_complete(struct _adapter *padapter,
 
 	phwxmits = pxmitpriv->hwxmits;
 	hwentry = pxmitpriv->hwxmit_entry;
-	if (pxmitbuf == NULL) {
+	if (!pxmitbuf) {
 		pxmitbuf = r8712_alloc_xmitbuf(pxmitpriv);
 		if (!pxmitbuf)
 			return false;

index 51b6959..b7ee5e6 100644
@@ -66,13 +66,13 @@ static sint _init_cmd_priv(struct cmd_priv *pcmdpriv)
 	pcmdpriv->cmd_seq = 1;
 	pcmdpriv->cmd_allocated_buf = kmalloc(MAX_CMDSZ + CMDBUFF_ALIGN_SZ,
 					      GFP_ATOMIC);
-	if (pcmdpriv->cmd_allocated_buf == NULL)
+	if (!pcmdpriv->cmd_allocated_buf)
 		return _FAIL;
 	pcmdpriv->cmd_buf = pcmdpriv->cmd_allocated_buf  +  CMDBUFF_ALIGN_SZ -
 			    ((addr_t)(pcmdpriv->cmd_allocated_buf) &
 			    (CMDBUFF_ALIGN_SZ - 1));
 	pcmdpriv->rsp_allocated_buf = kmalloc(MAX_RSPSZ + 4, GFP_ATOMIC);
-	if (pcmdpriv->rsp_allocated_buf == NULL)
+	if (!pcmdpriv->rsp_allocated_buf)
 		return _FAIL;
 	pcmdpriv->rsp_buf = pcmdpriv->rsp_allocated_buf  +  4 -
 			    ((addr_t)(pcmdpriv->rsp_allocated_buf) & 3);

@@ -88,7 +88,7 @@ static sint _init_evt_priv(struct evt_priv *pevtpriv)
 	pevtpriv->event_seq = 0;
 	pevtpriv->evt_allocated_buf = kmalloc(MAX_EVTSZ + 4, GFP_ATOMIC);
 
-	if (pevtpriv->evt_allocated_buf == NULL)
+	if (!pevtpriv->evt_allocated_buf)
 		return _FAIL;
 	pevtpriv->evt_buf = pevtpriv->evt_allocated_buf  +  4 -
 			    ((addr_t)(pevtpriv->evt_allocated_buf) & 3);

@@ -123,7 +123,7 @@ static sint _enqueue_cmd(struct  __queue *queue, struct cmd_obj *obj)
 {
 	unsigned long irqL;
 
-	if (obj == NULL)
+	if (!obj)
 		return _SUCCESS;
 	spin_lock_irqsave(&queue->lock, irqL);
 	list_add_tail(&obj->list, &queue->queue);

@@ -181,7 +181,7 @@ u32 r8712_enqueue_cmd_ex(struct cmd_priv *pcmdpriv, struct cmd_obj *obj)
 	unsigned long irqL;
 	struct  __queue *queue;
 
-	if (obj == NULL)
+	if (!obj)
 		return _SUCCESS;
 	if (pcmdpriv->padapter->eeprompriv.bautoload_fail_flag)
 		return _FAIL;

@@ -477,7 +477,7 @@ u8 r8712_joinbss_cmd(struct _adapter  *padapter, struct wlan_network *pnetwork)
 		}
 	}
 	psecnetwork = &psecuritypriv->sec_bss;
-	if (psecnetwork == NULL) {
+	if (!psecnetwork) {
 		kfree(pcmd);
 		return _FAIL;
 	}

@@ -884,16 +884,16 @@ void r8712_createbss_cmd_callback(struct _adapter *padapter,
 		if (!psta) {
 			psta = r8712_alloc_stainfo(&padapter->stapriv,
 						   pnetwork->MacAddress);
-			if (psta == NULL)
+			if (!psta)
 				goto createbss_cmd_fail;
 		}
 		r8712_indicate_connect(padapter);
 	} else {
 		pwlan = _r8712_alloc_network(pmlmepriv);
-		if (pwlan == NULL) {
+		if (!pwlan) {
 			pwlan = r8712_get_oldest_wlan_network(
 				&pmlmepriv->scanned_queue);
-			if (pwlan == NULL)
+			if (!pwlan)
 				goto createbss_cmd_fail;
 			pwlan->last_scanned = jiffies;
 		} else

@@ -925,7 +925,7 @@ void r8712_setstaKey_cmdrsp_callback(struct _adapter *padapter,
 	struct sta_info *psta = r8712_get_stainfo(pstapriv,
 						  psetstakey_rsp->addr);
 
-	if (psta == NULL)
+	if (!psta)
 		goto exit;
 	psta->aid = psta->mac_id = psetstakey_rsp->keyid; /*CAM_ID(CAM_ENTRY)*/
 exit:

@@ -945,7 +945,7 @@ void r8712_setassocsta_cmdrsp_callback(struct _adapter *padapter,
 	struct sta_info *psta = r8712_get_stainfo(pstapriv,
 						  passocsta_parm->addr);
 
-	if (psta == NULL)
+	if (!psta)
 		return;
 	psta->aid = psta->mac_id = passocsta_rsp->cam_id;
 	spin_lock_irqsave(&pmlmepriv->lock, irqL);