linux-kernel - [PATCH for-next 09/10] RDMA/hns: Use complete parentheses in macros

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Date: Fri, 12 Apr 2024 17:16:15 +0800
From: Junxian Huang <huangjunxian6@...ilicon.com>
To: <jgg@...pe.ca>, <leon@...nel.org>
CC: <linux-rdma@...r.kernel.org>, <linuxarm@...wei.com>,
	<linux-kernel@...r.kernel.org>, <huangjunxian6@...ilicon.com>
Subject: [PATCH for-next 09/10] RDMA/hns: Use complete parentheses in macros

From: Chengchang Tang <tangchengchang@...wei.com>

Use complete parentheses to ensure that macro expansion does
not produce unexpected results.

Fixes: a25d13cbe816 ("RDMA/hns: Add the interfaces to support multi hop addressing for the contexts in hip08")
Signed-off-by: Chengchang Tang <tangchengchang@...wei.com>
Signed-off-by: Junxian Huang <huangjunxian6@...ilicon.com>
---
 drivers/infiniband/hw/hns/hns_roce_hem.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.h b/drivers/infiniband/hw/hns/hns_roce_hem.h
index 6fb51db9682b..9c415b2541af 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.h
@@ -57,16 +57,16 @@ enum {
 };
 
 #define check_whether_bt_num_3(type, hop_num) \
-	(type < HEM_TYPE_MTT && hop_num == 2)
+	((type) < HEM_TYPE_MTT && (hop_num) == 2)
 
 #define check_whether_bt_num_2(type, hop_num) \
-	((type < HEM_TYPE_MTT && hop_num == 1) || \
-	(type >= HEM_TYPE_MTT && hop_num == 2))
+	(((type) < HEM_TYPE_MTT && (hop_num) == 1) || \
+	((type) >= HEM_TYPE_MTT && (hop_num) == 2))
 
 #define check_whether_bt_num_1(type, hop_num) \
-	((type < HEM_TYPE_MTT && hop_num == HNS_ROCE_HOP_NUM_0) || \
-	(type >= HEM_TYPE_MTT && hop_num == 1) || \
-	(type >= HEM_TYPE_MTT && hop_num == HNS_ROCE_HOP_NUM_0))
+	(((type) < HEM_TYPE_MTT && (hop_num) == HNS_ROCE_HOP_NUM_0) || \
+	((type) >= HEM_TYPE_MTT && (hop_num) == 1) || \
+	((type) >= HEM_TYPE_MTT && (hop_num) == HNS_ROCE_HOP_NUM_0))
 
 struct hns_roce_hem {
 	void *buf;
-- 
2.30.0