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hwmon: (ibmpex) Allow format string checking 

The only difference between the three power_sensor_name_templates is
whether there is a suffix of "", "_lowest" or "_highest". We might as
well pull those into an array and use a literal format string,
allowing gcc to do type checking of the arguments to
sprintf. Incidentially, the same three suffixes are used in the
temp_sensor_name_templates case, so we end up eliminating one static
array.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
[Guenter Roeck: Fixed line length over 80 characters]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Rasmus Villemoes 2015-02-12 15:15:17 +01:00 committed by Guenter Roeck
parent 1055b5f904
commit a0fc74d42d
1 changed files with 8 additions and 11 deletions
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19
drivers/hwmon/ibmpex.c
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@ -56,15 +56,10 @@ static u8 const temp_sensor_sig[] = {0x74, 0x65, 0x6D};
static u8 const watt_sensor_sig[] = {0x41, 0x43};
#define PEX_NUM_SENSOR_FUNCS 3
static char const * const power_sensor_name_templates[] = {
"%s%d_average",
"%s%d_average_lowest",
"%s%d_average_highest"
};
static char const * const temp_sensor_name_templates[] = {
"%s%d_input",
"%s%d_input_lowest",
"%s%d_input_highest"
static const char * const sensor_name_suffixes[] = {
"",
"_lowest",
"_highest"
};
static void ibmpex_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data);
@ -355,9 +350,11 @@ static int create_sensor(struct ibmpex_bmc_data *data, int type,
return -ENOMEM;
if (type == TEMP_SENSOR)
sprintf(n, temp_sensor_name_templates[func], "temp", counter);
sprintf(n, "temp%d_input%s",
counter, sensor_name_suffixes[func]);
else if (type == POWER_SENSOR)
sprintf(n, power_sensor_name_templates[func], "power", counter);
sprintf(n, "power%d_average%s",
counter, sensor_name_suffixes[func]);
sysfs_attr_init(&data->sensors[sensor].attr[func].dev_attr.attr);
data->sensors[sensor].attr[func].dev_attr.attr.name = n;