wimax: Remove unnecessary alloc/OOM messages, alloc cleanups

alloc failures already get standardized OOM
messages and a dump_stack.

Convert kzalloc's with multiplies to kcalloc.
Remove now unused size variables.
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/wimax/i2400m/rx.c

@@ -1351,24 +1351,18 @@ int i2400m_rx_setup(struct i2400m *i2400m)
 	i2400m->rx_reorder = i2400m_rx_reorder_disabled? 0 : 1;
 	if (i2400m->rx_reorder) {
 		unsigned itr;
-		size_t size;
 		struct i2400m_roq_log *rd;
 
 		result = -ENOMEM;
 
-		size = sizeof(i2400m->rx_roq[0]) * (I2400M_RO_CIN + 1);
-		i2400m->rx_roq = kzalloc(size, GFP_KERNEL);
-		if (i2400m->rx_roq == NULL) {
-			dev_err(dev, "RX: cannot allocate %zu bytes for "
-				"reorder queues\n", size);
+		i2400m->rx_roq = kcalloc(I2400M_RO_CIN + 1,
+					 sizeof(i2400m->rx_roq[0]), GFP_KERNEL);
+		if (i2400m->rx_roq == NULL)
 			goto error_roq_alloc;
-		}
 
-		size = sizeof(*i2400m->rx_roq[0].log) * (I2400M_RO_CIN + 1);
-		rd = kzalloc(size, GFP_KERNEL);
+		rd = kcalloc(I2400M_RO_CIN + 1, sizeof(*i2400m->rx_roq[0].log),
+			     GFP_KERNEL);
 		if (rd == NULL) {
-			dev_err(dev, "RX: cannot allocate %zu bytes for "
-				"reorder queues log areas\n", size);
 			result = -ENOMEM;
 			goto error_roq_log_alloc;
 		}

drivers/net/wimax/i2400m/usb-notif.c

@@ -199,7 +199,6 @@ int i2400mu_notification_setup(struct i2400mu *i2400mu)
 	d_fnstart(4, dev, "(i2400m %p)\n", i2400mu);
 	buf = kmalloc(I2400MU_MAX_NOTIFICATION_LEN, GFP_KERNEL | GFP_DMA);
 	if (buf == NULL) {
-		dev_err(dev, "notification: buffer allocation failed\n");
 		ret = -ENOMEM;
 		goto error_buf_alloc;
 	}