[PATCH 3/6] scsi: lpfc: Cocci spatch "pool_zalloc-simple"
From: Thomas Meyer
Date: Thu Sep 21 2017 - 02:23:48 EST
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) {