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authorLi Zefan <lizefan@huawei.com>2013-08-21 10:22:28 +0800
committerTejun Heo <tj@kernel.org>2013-08-21 08:40:27 -0400
commit1c09b195d37fa459844036f429a0f378e70c3db6 (patch)
treef5a489a926304b07a982ea61a7ea8ebeaf253653 /kernel/.gitignore
parenta903f0865a190f8778c73df1a810ea6e25e5d7cf (diff)
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cpuset: fix a regression in validating config change
It's not allowed to clear masks of a cpuset if there're tasks in it, but it's broken: # mkdir /cgroup/sub # echo 0 > /cgroup/sub/cpuset.cpus # echo 0 > /cgroup/sub/cpuset.mems # echo $$ > /cgroup/sub/tasks # echo > /cgroup/sub/cpuset.cpus (should fail) This bug was introduced by commit 88fa523bff295f1d60244a54833480b02f775152 ("cpuset: allow to move tasks to empty cpusets"). tj: Dropped temp bool variables and nestes the conditionals directly. Signed-off-by: Li Zefan <lizefan@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
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