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scsi: hisi_sas: only zero slot memory when reused
Currently the slot memory is zeroed when it is freed and also when it is reused, like in hisi_sas_task_prep(). Optimise by avoiding the redundant zeroing in the free. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -97,7 +97,7 @@ void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task,
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slot->task = NULL;
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slot->port = NULL;
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hisi_sas_slot_index_free(hisi_hba, slot->idx);
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memset(slot, 0, sizeof(*slot));
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/* slot memory is fully zeroed when it is reused */
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}
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EXPORT_SYMBOL_GPL(hisi_sas_slot_task_free);
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