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sched/core: Fix &rd->cpudl memory leak

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While in the process of initialising a root domain, if function
cpupri_init() fails the memory allocated in cpudl_init() is not
reclaimed.

Adding a new goto target to cleanup the previous initialistion of
the root_domain's dl_bw structure reclaims said memory.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1485292295-21298-2-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Mathieu Poirier 2017-01-24 14:11:35 -07:00 committed by Ingo Molnar
parent 92c99ac829
commit 4b12db9391
1 changed files with 3 additions and 1 deletions
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4
kernel/sched/core.c
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@ -5979,9 +5979,11 @@ static int init_rootdomain(struct root_domain *rd)
goto free_rto_mask;
if (cpupri_init(&rd->cpupri) != 0)
goto free_rto_mask;
goto free_cpudl;
return 0;
free_cpudl:
cpudl_cleanup(&rd->cpudl);
free_rto_mask:
free_cpumask_var(rd->rto_mask);
free_dlo_mask: