linux-kernel - [PATCH 3/3] crypto/nx: Constify static attribute

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Date:   Thu, 10 Feb 2022 21:28:05 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Cc:     linux-crypto@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 3/3] crypto/nx: Constify static attribute_group structs

The only usage of these is to pass their address to
sysfs_{create,remove}_group(), which takes pointers to const struct
attribute_group. Make them const to allow the compiler to put them in
read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/crypto/nx/nx-common-pseries.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/nx/nx-common-pseries.c b/drivers/crypto/nx/nx-common-pseries.c
index 4e304f6081e4..7584a34ba88c 100644
--- a/drivers/crypto/nx/nx-common-pseries.c
+++ b/drivers/crypto/nx/nx-common-pseries.c
@@ -962,7 +962,7 @@ static struct attribute *nx842_sysfs_entries[] = {
 	NULL,
 };
 
-static struct attribute_group nx842_attribute_group = {
+static const struct attribute_group nx842_attribute_group = {
 	.name = NULL,		/* put in device directory */
 	.attrs = nx842_sysfs_entries,
 };
@@ -992,7 +992,7 @@ static struct attribute *nxcop_caps_sysfs_entries[] = {
 	NULL,
 };
 
-static struct attribute_group nxcop_caps_attr_group = {
+static const struct attribute_group nxcop_caps_attr_group = {
 	.name	=	"nx_gzip_caps",
 	.attrs	=	nxcop_caps_sysfs_entries,
 };
-- 
2.35.1