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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Laura Abbott <labbott@redhat.com>
Cc: David Miller <davem@davemloft.net>,
	samanthakumar@google.com, willemb@google.com,
	netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH net] udp: fix poll() issue with zero sized packets
Date: Tue, 23 Aug 2016 13:56:34 -0700	[thread overview]
Message-ID: <1471985794.14381.50.camel@edumazet-glaptop3.roam.corp.google.com> (raw)
In-Reply-To: <1471985604.14381.48.camel@edumazet-glaptop3.roam.corp.google.com>

On Tue, 2016-08-23 at 13:53 -0700, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@google.com>
> 
...

> 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 valid one is found.
>   *	Returns the length of found skb, or 0 if none is found.
>   */
> -static unsigned int first_packet_length(struct sock *sk)
> +static int first_packet_length(struct sock *sk)


I'll send a V2, updating the comment to :

Returns the length of found skb, or -1 if none is found.

(Thanks Willem for noticing this)

  reply	other threads:[~2016-08-23 20:56 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-23 17:53 [REGRESSION] Select hang with zero sized UDP packets Laura Abbott
2016-08-23 18:25 ` David Miller
2016-08-23 19:03   ` Eric Dumazet
2016-08-23 20:06     ` Laura Abbott
2016-08-23 20:42       ` Eric Dumazet
2016-08-23 20:53       ` [PATCH net] udp: fix poll() issue with zero sized packets Eric Dumazet
2016-08-23 20:56         ` Eric Dumazet [this message]
2016-08-23 20:59         ` [PATCH v2 " Eric Dumazet
2016-08-23 23:39           ` David Miller
2016-08-24  8:22   ` [REGRESSION] Select hang with zero sized UDP packets Dan Akunis
2016-08-24 13:02     ` Eric Dumazet
2016-08-24 13:42     ` One Thousand Gnomes

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