From 3fa582663129330d57d15b97ae534dc1203fc3aa Mon Sep 17 00:00:00 2001
From: Chen Gang <gang.chen@asianux.com>
Date: Tue, 12 Nov 2013 15:11:22 -0800
Subject: [PATCH] kernel/taskstats.c: add nla_nest_cancel() for failure
 processing between nla_nest_start() and nla_nest_end()

When failure occurs between nla_nest_start() and nla_nest_end(), we should
call nla_nest_cancel() to clean up related things.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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