NAME
skb_pad - zero pad the tail of an skb
SYNOPSIS
struct sk_buff * skb_pad (struct sk_buff * skb, int pad);
ARGUMENTS
skb buffer to pad
pad space to pad
DESCRIPTION
Ensure that a buffer is followed by a padding area that is zero filled.
Used by network drivers which may DMA or transfer data beyond the
buffer end onto the wire.
May return NULL in out of memory cases.