linux-kernel - [PATCH] char: ipmi: use DEVICE

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Message-Id: <20210730062951.84876-1-dwaipayanray1@gmail.com>
Date:   Fri, 30 Jul 2021 11:59:51 +0530
From:   Dwaipayan Ray <dwaipayanray1@...il.com>
To:     minyard@....org
Cc:     openipmi-developer@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, lukas.bulwahn@...il.com,
        Dwaipayan Ray <dwaipayanray1@...il.com>
Subject: [PATCH] char: ipmi: use DEVICE_ATTR helper macro

Instead of open coding DEVICE_ATTR, use the helper macro
DEVICE_ATTR_RO to replace DEVICE_ATTR with 0444 octal
permissions.

This was detected as a part of checkpatch evaluation
investigating all reports of DEVICE_ATTR_RO warning
type.

Signed-off-by: Dwaipayan Ray <dwaipayanray1@...il.com>
---
 drivers/char/ipmi/ipmi_si_intf.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 62929a3e397e..1cbc6a6a3ef4 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1605,7 +1605,7 @@ static ssize_t name##_show(struct device *dev,			\
 									\
 	return snprintf(buf, 10, "%u\n", smi_get_stat(smi_info, name));	\
 }									\
-static DEVICE_ATTR(name, 0444, name##_show, NULL)
+static DEVICE_ATTR_RO(name)
 
 static ssize_t type_show(struct device *dev,
 			 struct device_attribute *attr,
@@ -1615,7 +1615,7 @@ static ssize_t type_show(struct device *dev,
 
 	return snprintf(buf, 10, "%s\n", si_to_str[smi_info->io.si_type]);
 }
-static DEVICE_ATTR(type, 0444, type_show, NULL);
+static DEVICE_ATTR_RO(type);
 
 static ssize_t interrupts_enabled_show(struct device *dev,
 				       struct device_attribute *attr,
@@ -1626,8 +1626,7 @@ static ssize_t interrupts_enabled_show(struct device *dev,
 
 	return snprintf(buf, 10, "%d\n", enabled);
 }
-static DEVICE_ATTR(interrupts_enabled, 0444,
-		   interrupts_enabled_show, NULL);
+static DEVICE_ATTR_RO(interrupts_enabled);
 
 IPMI_SI_ATTR(short_timeouts);
 IPMI_SI_ATTR(long_timeouts);
@@ -1658,7 +1657,7 @@ static ssize_t params_show(struct device *dev,
 			smi_info->io.irq,
 			smi_info->io.slave_addr);
 }
-static DEVICE_ATTR(params, 0444, params_show, NULL);
+static DEVICE_ATTR_RO(params);
 
 static struct attribute *ipmi_si_dev_attrs[] = {
 	&dev_attr_type.attr,
-- 
2.28.0