netdev - [PATCH net-next] net/smc: fix -Wmissing-prototypes warning when CONFIG

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Date:   Wed,  9 Mar 2022 11:30:51 +0800
From:   Dust Li <dust.li@...ux.alibaba.com>
To:     kuba@...nel.org, Karsten Graul <kgraul@...ux.ibm.com>,
        Tony Lu <tonylu@...ux.alibaba.com>, davem@...emloft.net
Cc:     netdev@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-rdma@...r.kernel.org
Subject: [PATCH net-next] net/smc: fix -Wmissing-prototypes warning when CONFIG_SYSCTL not set

when CONFIG_SYSCTL not set, smc_sysctl_net_init/exit
need to be static inline to avoid missing-prototypes
if compile with W=1.

Since __net_exit has noinline annotation when CONFIG_NET_NS
not set, it should not be used with static inline.
So remove the __net_init/exit when CONFIG_SYSCTL not set.

Fixes: 7de8eb0d9039 ("net/smc: fix compile warning for smc_sysctl")
Signed-off-by: Dust Li <dust.li@...ux.alibaba.com>
---
 net/smc/smc_sysctl.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/smc/smc_sysctl.h b/net/smc/smc_sysctl.h
index 1d554300604d..0becc11bd2f4 100644
--- a/net/smc/smc_sysctl.h
+++ b/net/smc/smc_sysctl.h
@@ -20,13 +20,13 @@ void __net_exit smc_sysctl_net_exit(struct net *net);
 
 #else
 
-int __net_init smc_sysctl_net_init(struct net *net)
+static inline int smc_sysctl_net_init(struct net *net)
 {
 	net->smc.sysctl_autocorking_size = SMC_AUTOCORKING_DEFAULT_SIZE;
 	return 0;
 }
 
-void __net_exit smc_sysctl_net_exit(struct net *net) { }
+static inline void smc_sysctl_net_exit(struct net *net) { }
 
 #endif /* CONFIG_SYSCTL */
 
-- 
2.19.1.3.ge56e4f7