From: Stanislav Kinsbursky <skinsbursky@parallels.com>
Date: Fri, 4 Jan 2013 23:35:01 +0000 (-0800)
Subject: ipc: simplify message copying
X-Git-Tag: v3.8-rc3~16^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51eeacaa07d1372a7bc9612548ffe6cd846f4f2f;p=pandora-kernel.git

ipc: simplify message copying

Remove the redundant and confusing fill_copy().  Also add copy_msg()
check for error.  In this case exit from the function have to be done
instead of break, because further code interprets any error as EAGAIN.

Also define copy_msg() for the case when CONFIG_CHECKPOINT_RESTORE is
disabled.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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