netdev - [PATCH net-next] net: move the ptype_all and ptype_base declarations to include/linux/netdevice.h

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Date:   Mon, 22 Mar 2021 13:31:48 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Cc:     Vladimir Oltean <vladimir.oltean@....com>
Subject: [PATCH net-next] net: move the ptype_all and ptype_base declarations to include/linux/netdevice.h

From: Vladimir Oltean <vladimir.oltean@....com>

ptype_all and ptype_base are declared in net/core/dev.c as non-static,
because they are used by net-procfs.c too. However, a "make W=1" build
complains that there was no previous declaration of ptype_all and
ptype_base in a header file, so this way of declaring things constitutes
a violation of coding style.

Let's move the extern declarations of ptype_all and ptype_base to the
linux/netdevice.h file, which is included by net-procfs.c too.

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
 include/linux/netdevice.h | 3 +++
 net/core/net-procfs.c     | 3 ---
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8f003955c485..3f5e27e93972 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -5318,6 +5318,9 @@ do {								\
 #define PTYPE_HASH_SIZE	(16)
 #define PTYPE_HASH_MASK	(PTYPE_HASH_SIZE - 1)
 
+extern struct list_head ptype_all __read_mostly;
+extern struct list_head ptype_base[PTYPE_HASH_SIZE] __read_mostly;
+
 extern struct net_device *blackhole_netdev;
 
 #endif	/* _LINUX_NETDEVICE_H */
diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c
index c714e6a9dad4..d8b9dbabd4a4 100644
--- a/net/core/net-procfs.c
+++ b/net/core/net-procfs.c
@@ -10,9 +10,6 @@
 #define get_offset(x) ((x) & ((1 << BUCKET_SPACE) - 1))
 #define set_bucket_offset(b, o) ((b) << BUCKET_SPACE | (o))
 
-extern struct list_head ptype_all __read_mostly;
-extern struct list_head ptype_base[PTYPE_HASH_SIZE] __read_mostly;
-
 static inline struct net_device *dev_from_same_bucket(struct seq_file *seq, loff_t *pos)
 {
 	struct net *net = seq_file_net(seq);
-- 
2.25.1