drivers: net: Remove remaining alloc/OOM messages

alloc failures already get standardized OOM
messages and a dump_stack.

For the affected mallocs around these OOM messages:

Converted kmallocs with multiplies to kmalloc_array.
Converted a kmalloc/memcpy to kmemdup.
Removed now unused stack variables.
Removed unnecessary parentheses.
Neatened alignment.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c
index 74cfc01..797f847e 100644
--- a/drivers/net/ethernet/amd/pcnet32.c
+++ b/drivers/net/ethernet/amd/pcnet32.c
@@ -494,19 +494,15 @@
 	}
 	memset(new_tx_ring, 0, sizeof(struct pcnet32_tx_head) * (1 << size));
 
-	new_dma_addr_list = kcalloc((1 << size), sizeof(dma_addr_t),
-				GFP_ATOMIC);
-	if (!new_dma_addr_list) {
-		netif_err(lp, drv, dev, "Memory allocation failed\n");
+	new_dma_addr_list = kcalloc(1 << size, sizeof(dma_addr_t),
+				    GFP_ATOMIC);
+	if (!new_dma_addr_list)
 		goto free_new_tx_ring;
-	}
 
-	new_skb_list = kcalloc((1 << size), sizeof(struct sk_buff *),
-				GFP_ATOMIC);
-	if (!new_skb_list) {
-		netif_err(lp, drv, dev, "Memory allocation failed\n");
+	new_skb_list = kcalloc(1 << size, sizeof(struct sk_buff *),
+			       GFP_ATOMIC);
+	if (!new_skb_list)
 		goto free_new_lists;
-	}
 
 	kfree(lp->tx_skbuff);
 	kfree(lp->tx_dma_addr);
@@ -564,19 +560,14 @@
 	}
 	memset(new_rx_ring, 0, sizeof(struct pcnet32_rx_head) * (1 << size));
 
-	new_dma_addr_list = kcalloc((1 << size), sizeof(dma_addr_t),
-				GFP_ATOMIC);
-	if (!new_dma_addr_list) {
-		netif_err(lp, drv, dev, "Memory allocation failed\n");
+	new_dma_addr_list = kcalloc(1 << size, sizeof(dma_addr_t), GFP_ATOMIC);
+	if (!new_dma_addr_list)
 		goto free_new_rx_ring;
-	}
 
-	new_skb_list = kcalloc((1 << size), sizeof(struct sk_buff *),
-				GFP_ATOMIC);
-	if (!new_skb_list) {
-		netif_err(lp, drv, dev, "Memory allocation failed\n");
+	new_skb_list = kcalloc(1 << size, sizeof(struct sk_buff *),
+			       GFP_ATOMIC);
+	if (!new_skb_list)
 		goto free_new_lists;
-	}
 
 	/* first copy the current receive buffers */
 	overlap = min(size, lp->rx_ring_size);
@@ -1933,31 +1924,23 @@
 
 	lp->tx_dma_addr = kcalloc(lp->tx_ring_size, sizeof(dma_addr_t),
 				  GFP_ATOMIC);
-	if (!lp->tx_dma_addr) {
-		netif_err(lp, drv, dev, "Memory allocation failed\n");
+	if (!lp->tx_dma_addr)
 		return -ENOMEM;
-	}
 
 	lp->rx_dma_addr = kcalloc(lp->rx_ring_size, sizeof(dma_addr_t),
 				  GFP_ATOMIC);
-	if (!lp->rx_dma_addr) {
-		netif_err(lp, drv, dev, "Memory allocation failed\n");
+	if (!lp->rx_dma_addr)
 		return -ENOMEM;
-	}
 
 	lp->tx_skbuff = kcalloc(lp->tx_ring_size, sizeof(struct sk_buff *),
 				GFP_ATOMIC);
-	if (!lp->tx_skbuff) {
-		netif_err(lp, drv, dev, "Memory allocation failed\n");
+	if (!lp->tx_skbuff)
 		return -ENOMEM;
-	}
 
 	lp->rx_skbuff = kcalloc(lp->rx_ring_size, sizeof(struct sk_buff *),
 				GFP_ATOMIC);
-	if (!lp->rx_skbuff) {
-		netif_err(lp, drv, dev, "Memory allocation failed\n");
+	if (!lp->rx_skbuff)
 		return -ENOMEM;
-	}
 
 	return 0;
 }