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SubjectRe: [PATCH -tip] sched: fix uninitialized variable usage
On Mon, Nov 29, 2010 at 7:51 PM, Lin Ming <ming.m.lin@intel.com> wrote:
> linux-2.6/kernel/sched.c: In function ‘sched_destroy_group’:
> linux-2.6/kernel/sched.c:8101: warning: ‘i’ is used uninitialized in this function
>
> This is caused by commit 3d4b47b(Implement on-demand (active) cfs_rq list)
>
> Signed-off-by: Lin Ming <ming.m.lin@intel.com>
> ---
>  kernel/sched.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
>

Thanks for the catch!

http://lkml.org/lkml/2010/11/29/566 -- should already address this

- Paul


> diff --git a/kernel/sched.c b/kernel/sched.c
> index 717bf7d..c3af198 100644
> --- a/kernel/sched.c
> +++ b/kernel/sched.c
> @@ -8088,7 +8088,6 @@ static inline void unregister_fair_sched_group(struct task_group *tg, int cpu)
>  {
>        struct rq *rq = cpu_rq(cpu);
>        unsigned long flags;
> -       int i;
>
>        /*
>        * Only empty task groups can be destroyed; so we can speculatively
> @@ -8098,7 +8097,7 @@ static inline void unregister_fair_sched_group(struct task_group *tg, int cpu)
>                return;
>
>        raw_spin_lock_irqsave(&rq->lock, flags);
> -       list_del_leaf_cfs_rq(tg->cfs_rq[i]);
> +       list_del_leaf_cfs_rq(tg->cfs_rq[cpu]);
>        raw_spin_unlock_irqrestore(&rq->lock, flags);
>  }
>  #else /* !CONFG_FAIR_GROUP_SCHED */
>
>
>
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