linux-kernel - [PATCH 1/4] sunrpc: make the function arg as const

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Date:   Tue, 17 Oct 2017 18:14:23 +0200
From:   Bhumika Goyal <bhumirks@...il.com>
To:     julia.lawall@...6.fr, trond.myklebust@...marydata.com,
        anna.schumaker@...app.com, bfields@...ldses.org,
        jlayton@...chiereds.net, davem@...emloft.net,
        linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Cc:     Bhumika Goyal <bhumirks@...il.com>
Subject: [PATCH 1/4] sunrpc: make the function arg as const

Make the struct cache_detail *tmpl argument of the function
cache_create_net as const as it is only getting passed to kmemup having
the argument as const void *.
Add const to the prototype too.

Signed-off-by: Bhumika Goyal <bhumirks@...il.com>
---
 include/linux/sunrpc/cache.h | 2 +-
 net/sunrpc/cache.c           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 270bad0..40d2822 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -213,7 +213,7 @@ extern int cache_check(struct cache_detail *detail,
 extern int cache_register_net(struct cache_detail *cd, struct net *net);
 extern void cache_unregister_net(struct cache_detail *cd, struct net *net);
 
-extern struct cache_detail *cache_create_net(struct cache_detail *tmpl, struct net *net);
+extern struct cache_detail *cache_create_net(const struct cache_detail *tmpl, struct net *net);
 extern void cache_destroy_net(struct cache_detail *cd, struct net *net);
 
 extern void sunrpc_init_cache_detail(struct cache_detail *cd);
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 79d55d9..e689438 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -1674,7 +1674,7 @@ void cache_unregister_net(struct cache_detail *cd, struct net *net)
 }
 EXPORT_SYMBOL_GPL(cache_unregister_net);
 
-struct cache_detail *cache_create_net(struct cache_detail *tmpl, struct net *net)
+struct cache_detail *cache_create_net(const struct cache_detail *tmpl, struct net *net)
 {
 	struct cache_detail *cd;
 	int i;
-- 
1.9.1