"%s: got packet (length: %u, pdu_length: %u, vcc: 0x%p)",
                     __func__, length, pdu_length, vcc);
 
-               if (!(skb = dev_alloc_skb(length))) {
+               skb = dev_alloc_skb(length);
+               if (!skb) {
                        if (printk_ratelimit())
                                atm_err(instance, "%s: no memory for skb (length: %u)!\n",
                                        __func__, length);
                goto fail;
        }
 
-       if (!(new = kzalloc(sizeof(struct usbatm_vcc_data), GFP_KERNEL))) {
+       new = kzalloc(sizeof(struct usbatm_vcc_data), GFP_KERNEL);
+       if (!new) {
                atm_err(instance, "%s: no memory for vcc_data!\n", __func__);
                ret = -ENOMEM;
                goto fail;