fec: remove unnecessary cast

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 9 deletions

diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index f8396fb30326..e03b1773966d 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -1660,11 +1660,10 @@ int __init fec_enet_init(struct net_device *dev, int index)
         struct bufdesc *bdp, *cbd_base;
         int             i, j;
 
-        /* Allocate memory for buffer descriptors.
-        */
-        mem_addr = (unsigned long)dma_alloc_coherent(NULL, PAGE_SIZE,
-                        &fep->bd_dma, GFP_KERNEL);
-        if (mem_addr == 0) {
+        /* Allocate memory for buffer descriptors. */
+        cbd_base = dma_alloc_coherent(NULL, PAGE_SIZE, &fep->bd_dma,
+                        GFP_KERNEL);
+        if (!cbd_base) {
                 printk("FEC: allocate descriptor memory failed?\n");
                 return -ENOMEM;
         }
@@ -1698,10 +1697,7 @@ int __init fec_enet_init(struct net_device *dev, int index)
         }
 #endif
 
-        cbd_base = (struct bufdesc *)mem_addr;
-
-        /* Set receive and transmit descriptor base.
-        */
+        /* Set receive and transmit descriptor base. */
         fep->rx_bd_base = cbd_base;
         fep->tx_bd_base = cbd_base + RX_RING_SIZE;