* [PATCH] platform/x86: wmi: Use ACPI device name in netlink event
@ 2024-01-21 19:46 Armin Wolf
0 siblings, 0 replies; only message in thread
From: Armin Wolf @ 2024-01-21 19:46 UTC (permalink / raw
To: hdegoede, ilpo.jarvinen; +Cc: platform-driver-x86, linux-kernel
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@gmx.de>
---
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
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2024-01-21 19:46 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-01-21 19:46 [PATCH] platform/x86: wmi: Use ACPI device name in netlink event Armin Wolf
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).