| Message ID | 1479663388-2000-6-git-send-email-linux@roeck-us.net (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index a0b5becf91fa..8dc0466a9307 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -561,7 +561,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata, if (chip) { struct attribute **attrs; - int ngroups = 2; + int ngroups = 2; /* terminating NULL plus &hwdev->groups */ if (groups) for (i = 0; groups[i]; i++)
A list of sysfs attribute groups is NULL-terminated, so we always need to allocate data for at least two groups (the dynamically generated group plus the NULL pointer). Add a comment to explain the situation. Signed-off-by: Guenter Roeck <linux@roeck-us.net> --- drivers/hwmon/hwmon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)