Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0. Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci" Signed-off-by: Thomas Meyer <thomas@xxxxxxxx> --- diff -u -p a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -1938,14 +1938,13 @@ lpfc_new_nvme_buf(struct lpfc_vport *vpo * pci bus space for an I/O. The DMA buffer includes the * number of SGE's necessary to support the sg_tablesize. */ - lpfc_ncmd->data = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, - GFP_KERNEL, - &lpfc_ncmd->dma_handle); + lpfc_ncmd->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool, + GFP_KERNEL, + &lpfc_ncmd->dma_handle); if (!lpfc_ncmd->data) { kfree(lpfc_ncmd); break; } - memset(lpfc_ncmd->data, 0, phba->cfg_sg_dma_buf_size); lxri = lpfc_sli4_next_xritag(phba); if (lxri == NO_XRI) {