From: Paolo Abeni
Date: Fri, 23 Jun 2017 14:19:51 +0200
> Michael reported an UDP breakage caused by the commit b65ac44674dd
> ("udp: try to avoid 2 cache miss on dequeue").
> The function __first_packet_length() can update the checksum bits
> of the pending skb, making the scratched area out-of-
Michael reported an UDP breakage caused by the commit b65ac44674dd
("udp: try to avoid 2 cache miss on dequeue").
The function __first_packet_length() can update the checksum bits
of the pending skb, making the scratched area out-of-sync, and
setting skb->csum, if the skb was previously in need of
