netdev - [PATCH net-next] net: batman-adv: constify and move broadcast addr definition

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <c5f3e04813ff92aca8dddc7e1966fe45fca63e56.1744127239.git.mschiffer@universe-factory.net>
Date: Tue,  8 Apr 2025 17:53:36 +0200
From: Matthias Schiffer <mschiffer@...verse-factory.net>
To: Marek Lindner <marek.lindner@...lbox.org>,
	Simon Wunderlich <sw@...onwunderlich.de>,
	Antonio Quartulli <antonio@...delbit.com>,
	Sven Eckelmann <sven@...fation.org>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	b.a.t.m.a.n@...ts.open-mesh.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Matthias Schiffer <mschiffer@...verse-factory.net>
Subject: [PATCH net-next] net: batman-adv: constify and move broadcast addr definition

The variable is used only once and is read-only. Make it a const local
variable.

Signed-off-by: Matthias Schiffer <mschiffer@...verse-factory.net>
---
 net/batman-adv/main.c | 2 --
 net/batman-adv/main.h | 1 -
 net/batman-adv/send.c | 4 +++-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index a08132888a3d..e41f816f0887 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -69,8 +69,6 @@ unsigned int batadv_hardif_generation;
 static int (*batadv_rx_handler[256])(struct sk_buff *skb,
 				     struct batadv_hard_iface *recv_if);
 
-unsigned char batadv_broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
 struct workqueue_struct *batadv_event_workqueue;
 
 static void batadv_recv_handler_init(void);
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 67af435ee04e..bfe90a888af4 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -235,7 +235,6 @@ static inline int batadv_print_vid(unsigned short vid)
 extern struct list_head batadv_hardif_list;
 extern unsigned int batadv_hardif_generation;
 
-extern unsigned char batadv_broadcast_addr[];
 extern struct workqueue_struct *batadv_event_workqueue;
 
 int batadv_mesh_init(struct net_device *mesh_iface);
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 735ac8077821..90356b622a48 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -124,7 +124,9 @@ int batadv_send_skb_packet(struct sk_buff *skb,
 int batadv_send_broadcast_skb(struct sk_buff *skb,
 			      struct batadv_hard_iface *hard_iface)
 {
-	return batadv_send_skb_packet(skb, hard_iface, batadv_broadcast_addr);
+	const u8 broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+	return batadv_send_skb_packet(skb, hard_iface, broadcast_addr);
 }
 
 /**
-- 
2.49.0