From: Len Bao <len.bao@gmx.us>
To: Michael Grzeschik <m.grzeschik@pengutronix.de>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Len Bao <len.bao@gmx.us>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] arcnet: com90xx: Mark cards and numcards variables as __ro_after_init
Date: Sat, 16 May 2026 13:46:26 +0000 [thread overview]
Message-ID: <20260516134628.30672-1-len.bao@gmx.us> (raw)
The 'cards' and 'numcards' variables are initialized only during the
init phase in the 'com90xx_found' function and never changed. So, mark
these as __ro_after_init.
Signed-off-by: Len Bao <len.bao@gmx.us>
---
drivers/net/arcnet/com90xx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/arcnet/com90xx.c b/drivers/net/arcnet/com90xx.c
index b3b287c16..bdcdccbfb 100644
--- a/drivers/net/arcnet/com90xx.c
+++ b/drivers/net/arcnet/com90xx.c
@@ -67,8 +67,8 @@ static void com90xx_copy_from_card(struct net_device *dev, int bufnum,
/* Known ARCnet cards */
-static struct net_device *cards[16];
-static int numcards;
+static struct net_device *cards[16] __ro_after_init;
+static int numcards __ro_after_init;
/* Handy defines for ARCnet specific stuff */
--
2.43.0
reply other threads:[~2026-05-16 13:47 UTC|newest]
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