The device name inside the ACPI netlink event is limited to 15 characters, so the WMI device name will get truncated. This can be observed with kacpimon when receiving an event from WMI device "9DBB5994-A997-11DA-B012-B622A1EF5492": netlink: 9DBB5994-A997- 000000d0 00000000 Fix this by using the shorter device name from the ACPI bus device instead. This still allows users to uniquely identify the WMI device by using the notify id (0xd0). Signed-off-by: Armin Wolf <W_Armin@xxxxxx> --- drivers/platform/x86/wmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index a7cfcbf92432..4bacbe71cdb6 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -1202,7 +1202,7 @@ static int wmi_notify_device(struct device *dev, void *data) } acpi_bus_generate_netlink_event(wblock->acpi_device->pnp.device_class, - dev_name(&wblock->dev.dev), *event, 0); + dev_name(&wblock->acpi_device->dev), *event, 0); return -EBUSY; } -- 2.39.2
