From: Christophe JAILLET <christophe.jaillet@wanadoo.fr> To: QLogic-Storage-Upstream@cavium.com, jejb@linux.vnet.ibm.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET <christophe.jaillet@wanadoo.fr> Subject: [PATCH 2/3] scsi: qedf: Use 'dma_zalloc_coherent' to reduce code verbosity. Date: Sun, 11 Jun 2017 08:16:03 +0200 [thread overview] Message-ID: <47616af3fb2cb34d834375c27dec5597ed62f2e9.1497160148.git.christophe.jaillet@wanadoo.fr> (raw) In-Reply-To: <cover.1497160148.git.christophe.jaillet@wanadoo.fr> In-Reply-To: <cover.1497160148.git.christophe.jaillet@wanadoo.fr> 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> --- drivers/scsi/qedf/qedf_main.c | 19 ++++++------------- 1 file changed, 6 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 52a27100ca6d..19a2bbc65f54 100644 --- 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 *qedf, struct qedf_rport *fcport) 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 *qedf, struct qedf_rport *fcport) 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_ctx *qedf) } /* 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(struct qedf_ctx *qedf) 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(struct qedf_ctx *qedf) 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(struct qedf_ctx *qedf) 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 / -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr> To: QLogic-Storage-Upstream@cavium.com, jejb@linux.vnet.ibm.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET <christophe.jaillet@wanadoo.fr> Subject: [PATCH 2/3] scsi: qedf: Use 'dma_zalloc_coherent' to reduce code verbosity. Date: Sun, 11 Jun 2017 06:16:03 +0000 [thread overview] Message-ID: <47616af3fb2cb34d834375c27dec5597ed62f2e9.1497160148.git.christophe.jaillet@wanadoo.fr> (raw) In-Reply-To: <cover.1497160148.git.christophe.jaillet@wanadoo.fr> 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> --- drivers/scsi/qedf/qedf_main.c | 19 ++++++------------- 1 file changed, 6 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 52a27100ca6d..19a2bbc65f54 100644 --- 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 *qedf, struct qedf_rport *fcport) 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 *qedf, struct qedf_rport *fcport) 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_ctx *qedf) } /* 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(struct qedf_ctx *qedf) 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(struct qedf_ctx *qedf) 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(struct qedf_ctx *qedf) 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 / -- 2.11.0
next prev parent reply other threads:[~2017-06-11 6:16 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-06-11 6:16 [PATCH 0/3] scsi: qedf: Fix a return value + some cleanups Christophe JAILLET 2017-06-11 6:16 ` Christophe JAILLET 2017-06-11 6:16 ` [PATCH 1/3] scsi: qedf: Fix a return value in case of error in 'qedf_alloc_global_queues' Christophe JAILLET 2017-06-11 6:16 ` Christophe JAILLET 2017-06-11 8:33 ` walter harms 2017-06-11 8:33 ` walter harms 2017-06-11 6:16 ` Christophe JAILLET [this message] 2017-06-11 6:16 ` [PATCH 2/3] scsi: qedf: Use 'dma_zalloc_coherent' to reduce code verbosity Christophe JAILLET 2017-06-11 6:16 ` [PATCH 3/3] scsi: qedf: Merge a few quoted strings split across lines Christophe JAILLET 2017-06-11 6:16 ` Christophe JAILLET 2017-06-12 14:03 ` [PATCH 0/3] scsi: qedf: Fix a return value + some cleanups Chad Dupuis 2017-06-12 14:03 ` Chad Dupuis 2017-06-13 1:22 ` Martin K. Petersen 2017-06-13 1:22 ` Martin K. Petersen
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