linux-kernel - [PATCH] 9p: Constify static struct v9fs_attr

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Message-Id: <20210108224650.25872-1-rikard.falkeborn@gmail.com>
Date:   Fri,  8 Jan 2021 23:46:50 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     ric Van Hensbergen <ericvh@...il.com>,
        Latchesar Ionkov <lucho@...kov.net>,
        Dominique Martinet <asmadeus@...ewreck.org>
Cc:     v9fs-developer@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] 9p: Constify static struct v9fs_attr_group

The only usage of v9fs_attr_group is to pass its address to
sysfs_create_group() and sysfs_create_group(), both which takes pointers
to const struct attribute_group. Make it const to allow the compiler to
put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 fs/9p/v9fs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 39def020a074..cdb99507ef33 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -583,7 +583,7 @@ static struct attribute *v9fs_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group v9fs_attr_group = {
+static const struct attribute_group v9fs_attr_group = {
 	.attrs = v9fs_attrs,
 };
 
-- 
2.30.0