net: fec: use container_of to resolve bufdesc_ex from bufdesc
Use container_of instead of casting first structure member.
ARM cross-compiled but untested.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 8f8e55e..e242eac 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -591,7 +591,7 @@
struct fec_enet_private *fep = netdev_priv(ndev);
const struct platform_device_id *id_entry =
platform_get_device_id(fep->pdev);
- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp;
+ struct bufdesc_ex *ebdp = container_of(bdp, struct bufdesc_ex, desc);
unsigned short status;
unsigned int estatus = 0;
dma_addr_t addr;
@@ -651,7 +651,7 @@
const struct platform_device_id *id_entry =
platform_get_device_id(fep->pdev);
int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp;
+ struct bufdesc_ex *ebdp = container_of(bdp, struct bufdesc_ex, desc);
void *bufaddr;
unsigned long dmabuf;
unsigned short status;