Commit 7b557dbd authored Oct 24, 2018 by Tristram Ha Committed by Greg Kroah-Hartman Dec 01, 2019

net: ethernet: cadence: fix socket buffer corruption problem



[ Upstream commit 899ecaedd15599c22553d158f53b127cc1632dc2 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 3681b901

drivers/net/ethernet/cadence/macb_main.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1721,7 +1721,7 @@ 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;