From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sun, 11 Jun 2017 08:16:03 +0200
Subject: scsi: qedf: Use 'dma_zalloc_coherent' to reduce code verbosity.
Patch-mainline: v4.13-rc1
Git-commit: c4d6ffc8465f4225e79ee58275fa1a61def991cc
References: bsc#1050530 FATE#322901
Replace some 'dma_alloc_coherent+memset' by some quivalent
'dma_zalloc_coherent' in order to reduce code verbosity
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/scsi/qedf/qedf_main.c | 19 ++++++-------------
1 file changed, 6 insertions(+), 13 deletions(-)
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -972,17 +972,16 @@ static int qedf_alloc_sq(struct qedf_ctx
sizeof(void *);
fcport->sq_pbl_size = fcport->sq_pbl_size + QEDF_PAGE_SIZE;
- fcport->sq = dma_alloc_coherent(&qedf->pdev->dev, fcport->sq_mem_size,
- &fcport->sq_dma, GFP_KERNEL);
+ fcport->sq = dma_zalloc_coherent(&qedf->pdev->dev,
+ fcport->sq_mem_size, &fcport->sq_dma, GFP_KERNEL);
if (!fcport->sq) {
QEDF_WARN(&(qedf->dbg_ctx), "Could not allocate send "
"queue.\n");
rval = 1;
goto out;
}
- memset(fcport->sq, 0, fcport->sq_mem_size);
- fcport->sq_pbl = dma_alloc_coherent(&qedf->pdev->dev,
+ fcport->sq_pbl = dma_zalloc_coherent(&qedf->pdev->dev,
fcport->sq_pbl_size, &fcport->sq_pbl_dma, GFP_KERNEL);
if (!fcport->sq_pbl) {
QEDF_WARN(&(qedf->dbg_ctx), "Could not allocate send "
@@ -990,7 +989,6 @@ static int qedf_alloc_sq(struct qedf_ctx
rval = 1;
goto out_free_sq;
}
- memset(fcport->sq_pbl, 0, fcport->sq_pbl_size);
/* Create PBL */
num_pages = fcport->sq_mem_size / QEDF_PAGE_SIZE;
@@ -2597,14 +2595,13 @@ static int qedf_alloc_bdq(struct qedf_ct
}
/* Allocate list of PBL pages */
- qedf->bdq_pbl_list = dma_alloc_coherent(&qedf->pdev->dev,
+ qedf->bdq_pbl_list = dma_zalloc_coherent(&qedf->pdev->dev,
QEDF_PAGE_SIZE, &qedf->bdq_pbl_list_dma, GFP_KERNEL);
if (!qedf->bdq_pbl_list) {
QEDF_ERR(&(qedf->dbg_ctx), "Could not allocate list of PBL "
"pages.\n");
return -ENOMEM;
}
- memset(qedf->bdq_pbl_list, 0, QEDF_PAGE_SIZE);
/*
* Now populate PBL list with pages that contain pointers to the
@@ -2689,7 +2686,7 @@ static int qedf_alloc_global_queues(stru
ALIGN(qedf->global_queues[i]->cq_pbl_size, QEDF_PAGE_SIZE);
qedf->global_queues[i]->cq =
- dma_alloc_coherent(&qedf->pdev->dev,
+ dma_zalloc_coherent(&qedf->pdev->dev,
qedf->global_queues[i]->cq_mem_size,
&qedf->global_queues[i]->cq_dma, GFP_KERNEL);
@@ -2699,11 +2696,9 @@ static int qedf_alloc_global_queues(stru
status = -ENOMEM;
goto mem_alloc_failure;
}
- memset(qedf->global_queues[i]->cq, 0,
- qedf->global_queues[i]->cq_mem_size);
qedf->global_queues[i]->cq_pbl =
- dma_alloc_coherent(&qedf->pdev->dev,
+ dma_zalloc_coherent(&qedf->pdev->dev,
qedf->global_queues[i]->cq_pbl_size,
&qedf->global_queues[i]->cq_pbl_dma, GFP_KERNEL);
@@ -2713,8 +2708,6 @@ static int qedf_alloc_global_queues(stru
status = -ENOMEM;
goto mem_alloc_failure;
}
- memset(qedf->global_queues[i]->cq_pbl, 0,
- qedf->global_queues[i]->cq_pbl_size);
/* Create PBL */
num_pages = qedf->global_queues[i]->cq_mem_size /