hwmon: pmbus: Use devm_krealloc_array

Now that it exists, use it instead of doing the multiplication manually.

Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20230509094942.396150-3-james.clark@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 9d14954..fa06325 100644 (file)
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -1191,9 +1191,9 @@ static int pmbus_add_attribute(struct pmbus_data *data, struct attribute *attr)
 {
        if (data->num_attributes >= data->max_attributes - 1) {
                int new_max_attrs = data->max_attributes + PMBUS_ATTR_ALLOC_SIZE;
-               void *new_attrs = devm_krealloc(data->dev, data->group.attrs,
-                                               new_max_attrs * sizeof(void *),
-                                               GFP_KERNEL);
+               void *new_attrs = devm_krealloc_array(data->dev, data->group.attrs,
+                                                     new_max_attrs, sizeof(void *),
+                                                     GFP_KERNEL);
                if (!new_attrs)
                        return -ENOMEM;
                data->group.attrs = new_attrs;