linux-kernel - Re: [PATCHv2] rds: Make rds_message_copy_from

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Message-Id: <20150207.224221.1054400171798732184.davem@davemloft.net>
Date:	Sat, 07 Feb 2015 22:42:21 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	sowmini.varadhan@...cle.com
Cc:	chien.yen@...cle.com, rds-devel@....oracle.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	viro@...iv.linux.org.uk
Subject: Re: [PATCHv2] rds: Make rds_message_copy_from_user() return 0 on
 success.

From: Sowmini Varadhan <sowmini.varadhan@...cle.com>
Date: Thu, 5 Feb 2015 17:41:43 -0500

> Commit 083735f4b01b ("rds: switch rds_message_copy_from_user() to iov_iter")
> breaks rds_message_copy_from_user() semantics on success, and causes it
> to return nbytes copied, when it should return 0.  This commit fixes that bug.
> 
> Signed-off-by: Sowmini Varadhan <sowmini.varadhan@...cle.com>
> ---
> changes from v1: incorporate Al.Viro comment. 

Applied.
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