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

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Message-Id: <1615515570-1692-1-git-send-email-wangqing@vivo.com>
Date:   Fri, 12 Mar 2021 10:19:30 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Doug Ledford <dledford@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] rdma: 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>
---
 include/rdma/ib_verbs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index ca28fca..f4d24d8
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2259,7 +2259,7 @@ struct iw_cm_conn_param;
 				      struct ib_struct)))
 
 #define rdma_zalloc_drv_obj_gfp(ib_dev, ib_type, gfp)                         \
-	((struct ib_type *)kzalloc(ib_dev->ops.size_##ib_type, gfp))
+	kzalloc(ib_dev->ops.size_##ib_type, gfp)
 
 #define rdma_zalloc_drv_obj(ib_dev, ib_type)                                   \
 	rdma_zalloc_drv_obj_gfp(ib_dev, ib_type, GFP_KERNEL)
-- 
2.7.4