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sched: kfree(NULL) is valid

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kfree(NULL) is valid.

pointed out by checkpatch.pl.

the fix shrinks the code a bit:

   text    data     bss     dec     hex filename
  40024    3842     100   43966    abbe sched.o.before
  40002    3842     100   43944    aba8 sched.o.after

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2007-10-15 17:00:13 +02:00
parent 8927f49479
commit a65914b365
1 changed files with 5 additions and 8 deletions
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13
kernel/sched.c
View file

@ -6784,17 +6784,14 @@ struct task_grp *sched_create_group(void)
err: err:
for_each_possible_cpu(i) { for_each_possible_cpu(i) {
if (tg->cfs_rq && tg->cfs_rq[i]) if (tg->cfs_rq)
kfree(tg->cfs_rq[i]); kfree(tg->cfs_rq[i]);
if (tg->se && tg->se[i]) if (tg->se)
kfree(tg->se[i]); kfree(tg->se[i]);
} }
if (tg->cfs_rq) kfree(tg->cfs_rq);
kfree(tg->cfs_rq); kfree(tg->se);
if (tg->se) kfree(tg);
kfree(tg->se);
if (tg)
kfree(tg);
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
} }