[PATCH] scsi: lpfc: Use *_pool_zalloc rather than *_pool_alloc

From: Thomas Meyer
Date: Wed May 29 2019 - 16:25:11 EST


Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0.

Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---

diff -u -p a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -4114,14 +4114,13 @@ lpfc_new_io_buf(struct lpfc_hba *phba, i
* 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);

/*
* 4K Page alignment is CRITICAL to BlockGuard, double check