Re: [PATCH] cgroup: fix sparse warning of shadow symbol in cgroup.c

From: Paul Menage
Date: Sat Feb 23 2008 - 10:25:13 EST


On Sat, Feb 23, 2008 at 4:33 AM, Paul Jackson <pj@xxxxxxx> wrote:
> From: Paul Jackson <pj@xxxxxxx>
>
> Fix a code warning: symbol 'p' shadows an earlier one
>
> This is a reincarnation of Harvey Harrison's patch:
> cpuset: sparse warnings in cpuset.c
>
> Independently, Cliff Wickman moved the affected code,
> from kernel/cpuset.c to kernel/cgroup.c, in his patch:
> cpusets: update_cpumask revision
>
> Signed-off-by: Paul Jackson <pj@xxxxxxx>

Acked-by: Paul Menage <menage@xxxxxxxxxx>

> Cc: Harvey Harrison <harvey.harrison@xxxxxxxxx>
> Cc: Cliff Wickman <cpw@xxxxxxx>
>
> ---
> kernel/cgroup.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> --- 2.6.25-rc2-mm1.orig/kernel/cgroup.c 2008-02-16 01:04:48.000000000 -0800
> +++ 2.6.25-rc2-mm1/kernel/cgroup.c 2008-02-23 04:19:44.006614677 -0800
> @@ -1897,14 +1897,14 @@ int cgroup_scan_tasks(struct cgroup_scan
>
> if (heap->size) {
> for (i = 0; i < heap->size; i++) {
> - struct task_struct *p = heap->ptrs[i];
> + struct task_struct *q = heap->ptrs[i];
> if (i == 0) {
> - latest_time = p->start_time;
> - latest_task = p;
> + latest_time = q->start_time;
> + latest_task = q;
> }
> /* Process the task per the caller's callback */
> - scan->process_task(p, scan);
> - put_task_struct(p);
> + scan->process_task(q, scan);
> + put_task_struct(q);
> }
> /*
> * If we had to process any tasks at all, scan again
>
> --
> I won't rest till it's the best ...
> Programmer, Linux Scalability
> Paul Jackson <pj@xxxxxxx> 1.650.933.1373
>
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