From: Aishwarya Ramakrishnan <aishwaryarj100@gmail.com>
Date: Sun, 19 Apr 2020 21:59:17 +0530
Subject: net: qed: Remove unneeded cast from memory allocation
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Patch-mainline: v5.8-rc1
Git-commit: 745e5ad5084db32e093a143de324afa4ed95f14d
References: jsc#SLE-15143

Remove casting the values returned by memory allocation function.

Coccinelle emits WARNING: casting value returned by memory allocation
function to struct pointer is useless.

This issue was detected by using the Coccinelle.

Signed-off-by: Aishwarya Ramakrishnan <aishwaryarj100@gmail.com>
Acked-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/qlogic/qed/qed_roce.c |   17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

--- a/drivers/net/ethernet/qlogic/qed/qed_roce.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c
@@ -736,9 +736,9 @@ static int qed_roce_sp_destroy_qp_respon
 
 	p_ramrod = &p_ent->ramrod.roce_destroy_qp_resp;
 
-	p_ramrod_res = (struct roce_destroy_qp_resp_output_params *)
-	    dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_ramrod_res),
-			       &ramrod_res_phys, GFP_KERNEL);
+	p_ramrod_res = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
+					  sizeof(*p_ramrod_res),
+					  &ramrod_res_phys, GFP_KERNEL);
 
 	if (!p_ramrod_res) {
 		rc = -ENOMEM;
@@ -872,10 +872,10 @@ int qed_roce_query_qp(struct qed_hwfn *p
 	}
 
 	/* Send a query responder ramrod to FW to get RQ-PSN and state */
-	p_resp_ramrod_res = (struct roce_query_qp_resp_output_params *)
-	    dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
-			       sizeof(*p_resp_ramrod_res),
-			       &resp_ramrod_res_phys, GFP_KERNEL);
+	p_resp_ramrod_res =
+		dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
+				   sizeof(*p_resp_ramrod_res),
+				   &resp_ramrod_res_phys, GFP_KERNEL);
 	if (!p_resp_ramrod_res) {
 		DP_NOTICE(p_hwfn,
 			  "qed query qp failed: cannot allocate memory (ramrod)\n");
@@ -920,8 +920,7 @@ int qed_roce_query_qp(struct qed_hwfn *p
 	}
 
 	/* Send a query requester ramrod to FW to get SQ-PSN and state */
-	p_req_ramrod_res = (struct roce_query_qp_req_output_params *)
-			   dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
+	p_req_ramrod_res = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 					      sizeof(*p_req_ramrod_res),
 					      &req_ramrod_res_phys,
 					      GFP_KERNEL);