linux-kernel - [PATCH] scsi: pmcraid: Use *_pool_zalloc rather than *_pool

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Date:   Wed, 29 May 2019 22:21:40 +0200
From:   "Thomas Meyer" <thomas@...3r.de>
To:     jejb@...ux.ibm.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] scsi: pmcraid: Use *_pool_zalloc rather than *_pool_alloc

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

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -4668,18 +4668,14 @@ static int pmcraid_allocate_control_bloc
 		return -ENOMEM;
 
 	for (i = 0; i < PMCRAID_MAX_CMD; i++) {
-		pinstance->cmd_list[i]->ioa_cb =
-			dma_pool_alloc(
-				pinstance->control_pool,
-				GFP_KERNEL,
-				&(pinstance->cmd_list[i]->ioa_cb_bus_addr));
+		pinstance->cmd_list[i]->ioa_cb = dma_pool_zalloc(pinstance->control_pool,
+								 GFP_KERNEL,
+								 &(pinstance->cmd_list[i]->ioa_cb_bus_addr));
 
 		if (!pinstance->cmd_list[i]->ioa_cb) {
 			pmcraid_release_control_blocks(pinstance, i);
 			return -ENOMEM;
 		}
-		memset(pinstance->cmd_list[i]->ioa_cb, 0,
-			sizeof(struct pmcraid_control_block));
 	}
 	return 0;
 }