netdev - [PATCH net-next v2 3/4] rds: Fix endianness annotation for RDS_MPATH

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Message-Id: <20250820175550.498-4-ujwal.kundur@gmail.com>
Date: Wed, 20 Aug 2025 23:25:49 +0530
From: Ujwal Kundur <ujwal.kundur@...il.com>
To: allison.henderson@...cle.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	horms@...nel.org
Cc: netdev@...r.kernel.org,
	linux-rdma@...r.kernel.org,
	rds-devel@....oracle.com,
	linux-kernel@...r.kernel.org,
	Ujwal Kundur <ujwal.kundur@...il.com>
Subject: [PATCH net-next v2 3/4] rds: Fix endianness annotation for RDS_MPATH_HASH

jhash_1word accepts host endian inputs while rs_bound_port is a be16
value (sockaddr_in6.sin6_port). Use ntohs() for consistency.

Flagged by Sparse.

Signed-off-by: Ujwal Kundur <ujwal.kundur@...il.com>
---
 net/rds/rds.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/rds/rds.h b/net/rds/rds.h
index dc360252c515..5b1c072e2e7f 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -93,7 +93,7 @@ enum {
 
 /* Max number of multipaths per RDS connection. Must be a power of 2 */
 #define	RDS_MPATH_WORKERS	8
-#define	RDS_MPATH_HASH(rs, n) (jhash_1word((rs)->rs_bound_port, \
+#define	RDS_MPATH_HASH(rs, n) (jhash_1word(ntohs((rs)->rs_bound_port), \
 			       (rs)->rs_hash_initval) & ((n) - 1))
 
 #define IS_CANONICAL(laddr, faddr) (htonl(laddr) < htonl(faddr))
-- 
2.30.2