netdev - Re: [PATCH] pipe_to_sendpage: Ensure that MSG_MORE is set if we set MSG_SENDPAGE

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Date:	Sun, 24 Nov 2013 16:03:21 -0800
From:	Shawn Landden <shawn@...rchofgit.com>
To:	Richard Weinberger <richard@....at>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org, viro@...iv.linux.org.uk,
	linux-crypto@...r.kernel.org, netdev@...r.kernel.org,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Tom Herbert <therbert@...gle.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"David S. Miller" <davem@...emloft.net>, stable@...r.kernel.org
Subject: Re: [PATCH] pipe_to_sendpage: Ensure that MSG_MORE is set if we set MSG_SENDPAGE_NOTLAST

On Sun, Nov 24, 2013 at 3:42 PM, Richard Weinberger <richard@....at> wrote:
> Commit 35f9c09fe (tcp: tcp_sendpages() should call tcp_push() once)
> added an internal flag MSG_SENDPAGE_NOTLAST.
> We have to ensure that MSG_MORE is also set if we set MSG_SENDPAGE_NOTLAST.
> Otherwise users that check against MSG_MORE will not see it.
>
> This fixes sendfile() on AF_ALG.
>
> Cc: Tom Herbert <therbert@...gle.com>
> Cc: Eric Dumazet <eric.dumazet@...il.com>
> Cc: David S. Miller <davem@...emloft.net>
> Cc: <stable@...r.kernel.org> # 3.4.x

The offending commit also got backported to the 3.2 stable kernel, so
we need this fix there as well.
---
Shawn Landden
+1 360 389 3001 (SMS preferred)
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