From 02ff05c49d7804f2574f358a937b43a41d15e36e Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 5 Mar 2008 18:51:19 -0800 Subject: [PATCH] net/enc28j60: oops fix Prevent oops on enc28j60 packet RX: make sure buffers are aligned. Not all architectures support unaligned accesses in kernel space. Signed-off-by: David Brownell Acked-by: Claudio Lanconelli Signed-off-by: David S. Miller --- drivers/net/enc28j60.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index 0809a6a5a2..46a90e9ec5 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -900,7 +900,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) if (RSV_GETBIT(rxstat, RSV_LENCHECKERR)) ndev->stats.rx_frame_errors++; } else { - skb = dev_alloc_skb(len); + skb = dev_alloc_skb(len + NET_IP_ALIGN); if (!skb) { if (netif_msg_rx_err(priv)) dev_err(&ndev->dev, @@ -908,6 +908,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) ndev->stats.rx_dropped++; } else { skb->dev = ndev; + skb_reserve(skb, NET_IP_ALIGN); /* copy the packet from the receive buffer */ enc28j60_mem_read(priv, priv->next_pk_ptr + sizeof(rsv), len, skb_put(skb, len)); -- 2.39.5