ACPI: fix build warning

drivers/acpi/system.c:360: warning: ignoring return value of ‘sysfs_create_group’, declared with attribute warn_unused_result

Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index ce88171..55cf4c0 100644 (file)
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -357,8 +357,8 @@ void acpi_irq_stats_init(void)
        }
 
        interrupt_stats_attr_group.attrs = all_attrs;
-       sysfs_create_group(acpi_kobj, &interrupt_stats_attr_group);
-       return;
+       if (!sysfs_create_group(acpi_kobj, &interrupt_stats_attr_group))
+               return;
 
 fail:
        delete_gpe_attr_array();