linux-kernel - [PATCH 2/3] hwmon: (coretemp) Allow format checking

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Message-Id: <1423750517-26439-2-git-send-email-linux@rasmusvillemoes.dk>
Date:	Thu, 12 Feb 2015 15:15:16 +0100
From:	Rasmus Villemoes <linux@...musvillemoes.dk>
To:	Fenghua Yu <fenghua.yu@...el.com>, Jean Delvare <jdelvare@...e.de>,
	Guenter Roeck <linux@...ck-us.net>
Cc:	Rasmus Villemoes <linux@...musvillemoes.dk>,
	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] hwmon: (coretemp) Allow format checking

By extracting the only part that differs we can allow static checking
of the format string, and possibly save a little .rodata.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
 drivers/hwmon/coretemp.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 5b7fec824f10..0e873bca98a4 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -397,14 +397,13 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev,
 			struct device_attribute *devattr, char *buf) = {
 			show_label, show_crit_alarm, show_temp, show_tjmax,
 			show_ttarget };
-	static const char *const names[TOTAL_ATTRS] = {
-					"temp%d_label", "temp%d_crit_alarm",
-					"temp%d_input", "temp%d_crit",
-					"temp%d_max" };
+	static const char *const suffixes[TOTAL_ATTRS] = {
+		"label", "crit_alarm", "input", "crit", "max"
+	};
 
 	for (i = 0; i < tdata->attr_size; i++) {
-		snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH, names[i],
-			attr_no);
+		snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH,
+			"temp%d_%s", attr_no, suffixes[i]);
 		sysfs_attr_init(&tdata->sd_attrs[i].dev_attr.attr);
 		tdata->sd_attrs[i].dev_attr.attr.name = tdata->attr_name[i];
 		tdata->sd_attrs[i].dev_attr.attr.mode = S_IRUGO;
-- 
2.1.3

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