linux-kernel - [PATCH] cifs: Constify static struct genl

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Date:   Wed, 26 May 2021 22:35:45 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Steve French <sfrench@...ba.org>
Cc:     linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org,
        linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] cifs: Constify static struct genl_ops

The only usage of cifs_genl_ops[] is to assign its address to the ops
field in the genl_family struct, which is a pointer to const. Make it
const to allow the compiler to put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 fs/cifs/netlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cifs/netlink.c b/fs/cifs/netlink.c
index 5aaabe4cc0a7..291cb606f149 100644
--- a/fs/cifs/netlink.c
+++ b/fs/cifs/netlink.c
@@ -30,7 +30,7 @@ static const struct nla_policy cifs_genl_policy[CIFS_GENL_ATTR_MAX + 1] = {
 	[CIFS_GENL_ATTR_SWN_RESOURCE_NAME]	= { .type = NLA_STRING},
 };
 
-static struct genl_ops cifs_genl_ops[] = {
+static const struct genl_ops cifs_genl_ops[] = {
 	{
 		.cmd = CIFS_GENL_CMD_SWN_NOTIFY,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-- 
2.31.1