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Thermal control fix for 7.3-rc3

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Replace snprintf() with scnprintf() in the thermal core sysfs code
 to avoid compiler warnings about potential truncation of the names
 of the sysfs attributes (Andy Shevchenko)
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Merge tag 'thermal-7.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control fix from Rafael Wysocki:
 "Replace snprintf() with scnprintf() in the thermal core sysfs code to
  avoid compiler warnings about potential truncation of the names of the
  sysfs attributes (Andy Shevchenko)"

* tag 'thermal-7.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: sysfs: switch to use scnprintf() to suppress truncation warning
This commit is contained in:
Linus Torvalds 2026-09-10 14:45:25 -07:00
commit 08df884136
1 changed files with 6 additions and 6 deletions
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12
drivers/thermal/thermal_sysfs.c
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@ -400,8 +400,8 @@ static int create_trip_attrs(struct thermal_zone_device *tz)
struct thermal_trip_attrs *trip_attrs = &td->trip_attrs;
/* create trip type attribute */
snprintf(trip_attrs->type.name, THERMAL_NAME_LENGTH,
"trip_point_%d_type", i);
scnprintf(trip_attrs->type.name, sizeof(trip_attrs->type.name),
"trip_point_%d_type", i);
sysfs_attr_init(&trip_attrs->type.attr.attr);
trip_attrs->type.attr.attr.name = trip_attrs->type.name;
@ -410,8 +410,8 @@ static int create_trip_attrs(struct thermal_zone_device *tz)
attrs[i] = &trip_attrs->type.attr.attr;
/* create trip temp attribute */
snprintf(trip_attrs->temp.name, THERMAL_NAME_LENGTH,
"trip_point_%d_temp", i);
scnprintf(trip_attrs->temp.name, sizeof(trip_attrs->temp.name),
"trip_point_%d_temp", i);
sysfs_attr_init(&trip_attrs->temp.attr.attr);
trip_attrs->temp.attr.attr.name = trip_attrs->temp.name;
@ -423,8 +423,8 @@ static int create_trip_attrs(struct thermal_zone_device *tz)
}
attrs[i + tz->num_trips] = &trip_attrs->temp.attr.attr;
snprintf(trip_attrs->hyst.name, THERMAL_NAME_LENGTH,
"trip_point_%d_hyst", i);
scnprintf(trip_attrs->hyst.name, sizeof(trip_attrs->hyst.name),
"trip_point_%d_hyst", i);
sysfs_attr_init(&trip_attrs->hyst.attr.attr);
trip_attrs->hyst.attr.attr.name = trip_attrs->hyst.name;