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cfq-iosched: free cic_index if blkio_alloc_blkg_stats fails
If we fail allocating the blkpg stats, we free cfqd and cfgq. But we need to free the IDA cfqd->cic_index as well. Signed-off-by: majianpeng <majianpeng@gmail.com> Cc: stable@kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -4036,6 +4036,11 @@ static void *cfq_init_queue(struct request_queue *q)
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if (blkio_alloc_blkg_stats(&cfqg->blkg)) {
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kfree(cfqg);
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spin_lock(&cic_index_lock);
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ida_remove(&cic_index_ida, cfqd->cic_index);
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spin_unlock(&cic_index_lock);
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kfree(cfqd);
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return NULL;
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}
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