linux-kernel - [PATCH] scsi: ibmvscsi: delete the useless casting value returned

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Message-Id: <1615515534-1250-1-git-send-email-wangqing@vivo.com>
Date:   Fri, 12 Mar 2021 10:18:53 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Tyrel Datwyler <tyreld@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] scsi: ibmvscsi: delete the useless casting value returned

Fix the following coccicheck warning:
WARNING: casting value returned by memory allocation function is useless.

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/scsi/ibmvscsi/ibmvscsi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 29fcc44..f084ca10
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -717,8 +717,7 @@ static int map_sg_data(struct scsi_cmnd *cmd,
 
 	/* get indirect table */
 	if (!evt_struct->ext_list) {
-		evt_struct->ext_list = (struct srp_direct_buf *)
-			dma_alloc_coherent(dev,
+		evt_struct->ext_list = dma_alloc_coherent(dev,
 					   SG_ALL * sizeof(struct srp_direct_buf),
 					   &evt_struct->ext_list_token, 0);
 		if (!evt_struct->ext_list) {
-- 
2.7.4