linux-kernel - [PATCH 2/3] char: tpm: constify attribute

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Message-Id: <1501672814-2995-1-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Wed,  2 Aug 2017 16:50:14 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     arnd@...db.de, gregkh@...uxfoundation.org, mark.gross@...el.com,
        peterhuewe@....de, tpmdd@...horst.net,
        jarkko.sakkinen@...ux.intel.com, jgunthorpe@...idianresearch.com
Cc:     linux-kernel@...r.kernel.org, tpmdd-devel@...ts.sourceforge.net
Subject: [PATCH 2/3] char: tpm: constify attribute_group structures.

attribute_group are not supposed to change at runtime. All functions
working with attribute_group provided by <linux/sysfs.h> work with
const attribute_group. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/char/tpm/tpm_ppi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c
index 86dd852..8e3c062 100644
--- a/drivers/char/tpm/tpm_ppi.c
+++ b/drivers/char/tpm/tpm_ppi.c
@@ -325,7 +325,7 @@ static DEVICE_ATTR(transition_action, S_IRUGO,
 	&dev_attr_tcg_operations.attr,
 	&dev_attr_vs_operations.attr, NULL,
 };
-static struct attribute_group ppi_attr_grp = {
+static const struct attribute_group ppi_attr_grp = {
 	.name = "ppi",
 	.attrs = ppi_attrs
 };
-- 
1.9.1