scsi: mvsas: Use dma_pool_zalloc

Replace dma_pool_alloc + memset with dma_pool_zalloc.

Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Sabyasachi Gupta 2018-10-18 21:36:26 +05:30 committed by Martin K. Petersen
parent 6110f37fb3
commit 1b171b1a29

View File

@ -790,12 +790,11 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
slot->n_elem = n_elem;
slot->slot_tag = tag;
slot->buf = dma_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
slot->buf = dma_pool_zalloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
if (!slot->buf) {
rc = -ENOMEM;
goto err_out_tag;
}
memset(slot->buf, 0, MVS_SLOT_BUF_SZ);
tei.task = task;
tei.hdr = &mvi->slot[tag];