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sched: Fix out of scope variable access in sched_slice() 

Access to local variable lw is aliased by usage of pointer load.
Access to pointer load in calc_delta_mine() happens when lw is
already out of scope.

[ Reported by static code analysis. ]

Signed-off-by: Christian Engelmayer <christian.engelmayer@frequentis.com>
LKML-Reference: <20090616103512.0c846e51@frequentis.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Christian Engelmayer 2009-06-16 10:35:12 +02:00 committed by Ingo Molnar
parent 348ec61e62
commit 3104bf03a9
1 changed files with 2 additions and 1 deletions
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3
kernel/sched_fair.c
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@ -430,12 +430,13 @@ static u64 sched_slice(struct cfs_rq *cfs_rq, struct sched_entity *se)
for_each_sched_entity(se) { for_each_sched_entity(se) {
struct load_weight *load; struct load_weight *load;
struct load_weight lw;
cfs_rq = cfs_rq_of(se); cfs_rq = cfs_rq_of(se);
load = &cfs_rq->load; load = &cfs_rq->load;
if (unlikely(!se->on_rq)) { if (unlikely(!se->on_rq)) {
struct load_weight lw = cfs_rq->load; lw = cfs_rq->load;
update_load_add(&lw, se->load.weight); update_load_add(&lw, se->load.weight);
load = &lw; load = &lw;