Staging: rtl8712: rtl871x_cmd: Use !x instead of x == NULL.

Use !x instead of x == NULL. This patch was found by checkpatch.
Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_cmd.c

@@ -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);