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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index d8334d8a53b3..a484d8beb855 100644
--- 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);