ACPI: Export events via generic netlink

Upon ACPI events, send an "acpi_event" via Generic Netlink.
This is in addition to /proc/acpi/event, which remains intact for now.

Thanks to Jamal for his great help.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index e5084ececb6f..6b2658c96242 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -292,6 +292,10 @@ int acpi_bus_generate_event(struct acpi_device *device, u8 type, int data)
         if (!device)
                 return -EINVAL;
 
+        if (acpi_bus_generate_genetlink_event(device, type, data))
+                printk(KERN_WARNING PREFIX
+                        "Failed to generate an ACPI event via genetlink!\n");
+
         /* drop event on the floor if no one's listening */
         if (!event_is_open)
                 return 0;