linux-kernel - [PATCH rdma-rc] RDMA/netlink: Annotate unused function that is needed for compilation check

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Message-Id: <4a8101919b765e01d7fde6f27fd572c958deeb4a.1636267207.git.leonro@nvidia.com>
Date:   Sun,  7 Nov 2021 08:40:47 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>
Cc:     Leon Romanovsky <leonro@...dia.com>,
        kernel test robot <lkp@...el.com>,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: [PATCH rdma-rc] RDMA/netlink: Annotate unused function that is needed for compilation check

From: Leon Romanovsky <leonro@...dia.com>

>> drivers/infiniband/core/nldev.c:2543:1: warning: unused function '__chk_RDMA_NL_NLDEV'
   MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_NLDEV, 5);
   ^

Fixes: e3bf14bdc17a ("rdma: Autoload netlink client modules")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
 include/rdma/rdma_netlink.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h
index 2758d9df71ee..c2a79aeee113 100644
--- a/include/rdma/rdma_netlink.h
+++ b/include/rdma/rdma_netlink.h
@@ -30,7 +30,7 @@ enum rdma_nl_flags {
  * constant as well and the compiler checks they are the same.
  */
 #define MODULE_ALIAS_RDMA_NETLINK(_index, _val)                                \
-	static inline void __chk_##_index(void)                                \
+	static inline void __maybe_unused __chk_##_index(void)                 \
 	{                                                                      \
 		BUILD_BUG_ON(_index != _val);                                  \
 	}                                                                      \
-- 
2.33.1