Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       pskb_trim_rcsum - trim received skb and update checksum

SYNOPSIS

       int pskb_trim_rcsum  (struct sk_buff * skb, unsigned int len);

ARGUMENTS

       skb    buffer to trim

       len    new length

DESCRIPTION

       This  is  exactly  the  same  as  pskb_trim  except that it ensures the
       checksum of received packets are still valid after the operation.