From: Xie He <[email protected]> Date: Sat, 8 Aug 2020 19:35:48 -0700
> 1. Added a skb->len check > > This driver expects upper layers to include a pseudo header of 1 byte > when passing down a skb for transmission. This driver will read this > 1-byte header. This patch added a skb->len check before reading the > header to make sure the header exists. > > 2. Added needed_headroom > > When this driver transmits data, > first this driver will remove a pseudo header of 1 byte, > then the lapb module will prepend the LAPB header of 2 or 3 bytes. > So the value of needed_headroom in this driver should be 3 - 1. > > Cc: Willem de Bruijn <[email protected]> > Cc: Martin Schiller <[email protected]> > Signed-off-by: Xie He <[email protected]> Applied, thank you.
