sh_eth: fix RX buffer size calculation

The RX buffer size calulation failed to account for the length granularity
(which is now 32 bytes)...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index d8334d8..a484d8b 100644 (file)
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1127,7 +1127,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
        struct sh_eth_txdesc *txdesc = NULL;
        int rx_ringsize = sizeof(*rxdesc) * mdp->num_rx_ring;
        int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring;
-       int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1;
+       int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
        dma_addr_t dma_addr;
 
        mdp->cur_rx = 0;
@@ -1450,7 +1450,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
        struct sk_buff *skb;
        u16 pkt_len = 0;
        u32 desc_status;
-       int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1;
+       int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
        dma_addr_t dma_addr;
 
        boguscnt = min(boguscnt, *quota);