[PATCH net] net: ethernet: cadence: fix socket buffer corruption problem

[Tristram.Ha]

From: Tristram Ha <tristram...@microchip.com>

Socket buffer is not re-created when headroom is 2 and tailroom is 1.

Signed-off-by: Tristram Ha <tristram...@microchip.com>
---
 drivers/net/ethernet/cadence/macb_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c 
b/drivers/net/ethernet/cadence/macb_main.c
index 8f5bf91..1d86b4d 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -1684,7 +1684,7 @@ static int macb_pad_and_fcs(struct sk_buff **skb, struct 
net_device *ndev)
                        padlen = 0;
                /* No room for FCS, need to reallocate skb. */
                else
-                       padlen = ETH_FCS_LEN - tailroom;
+                       padlen = ETH_FCS_LEN;
        } else {
                /* Add room for FCS. */
                padlen += ETH_FCS_LEN;
-- 
1.9.1