On Tue, 2016-08-23 at 13:53 -0700, Eric Dumazet wrote:
> From: Eric Dumazet
>
...
> diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
> index e61f7cd65d08..2a2ac9e0c985 100644
> --- a/net/ipv4/udp.c
> +++ b/net/ipv4/udp.c
> @@ -1184,11 +1184,11 @@ out:
> * Drops all bad checksum frames, until a v
From: Eric Dumazet
Laura tracked poll() [and friends] regression caused by commit
e6afc8ace6dd ("udp: remove headers from UDP packets before queueing")
udp_poll() needs to know if there is a valid packet in receive queue,
even if its payload length is 0.
Change first_packet_length() to return a
