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net: ethernet: cadence: fix socket buffer corruption problem 

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

Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tristram Ha 2018-10-24 14:51:23 -07:00 committed by David S. Miller
parent 4f3ebb04d0
commit 899ecaedd1
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/cadence/macb_main.c
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@ -1684,7 +1684,7 @@ static int macb_pad_and_fcs(struct sk_buff **skb, struct net_device *ndev)
padlen = 0; padlen = 0;
/* No room for FCS, need to reallocate skb. */ /* No room for FCS, need to reallocate skb. */
else else
padlen = ETH_FCS_LEN - tailroom; padlen = ETH_FCS_LEN;
} else { } else {
/* Add room for FCS. */ /* Add room for FCS. */
padlen += ETH_FCS_LEN; padlen += ETH_FCS_LEN;