hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7EBNA
CVE: NA

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Fix memory leak on error branch for smart grid.

Fixes: 713cfd26 ("sched: Introduce smart grid scheduling strategy for cfs")
Signed-off-by: NHui Tang <tanghui20@huawei.com>
Reviewed-by: NZhang Qiao <zhangqiao22@huawei.com>
Signed-off-by: NZhang Changzhong <zhangchangzhong@huawei.com>