6.6-stable review patch. If anyone has any objections, please let me know.
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From: Kurt Borja kuurtb@gmail.com
[ Upstream commit 5ff1fbb3059730700b4823f43999fc1315984632 ]
Devices under the firmware_attributes_class do not have unique a dev_t. Therefore, device_unregister() should be used instead of device_destroy(), since the latter may match any device with a given dev_t.
Fixes: a40cd7ef22fb ("platform/x86: think-lmi: Add WMI interface support on Lenovo platforms") Signed-off-by: Kurt Borja kuurtb@gmail.com Link: https://lore.kernel.org/r/20250625-dest-fix-v1-2-3a0f342312bb@gmail.com Reviewed-by: Ilpo Järvinen ilpo.jarvinen@linux.intel.com Signed-off-by: Ilpo Järvinen ilpo.jarvinen@linux.intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/platform/x86/think-lmi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c index f0efa60cf8ee2..626990d103e36 100644 --- a/drivers/platform/x86/think-lmi.c +++ b/drivers/platform/x86/think-lmi.c @@ -1380,7 +1380,7 @@ static int tlmi_sysfs_init(void) fail_create_attr: tlmi_release_attr(); fail_device_created: - device_destroy(&firmware_attributes_class, MKDEV(0, 0)); + device_unregister(tlmi_priv.class_dev); fail_class_created: return ret; } @@ -1604,7 +1604,7 @@ static int tlmi_analyze(void) static void tlmi_remove(struct wmi_device *wdev) { tlmi_release_attr(); - device_destroy(&firmware_attributes_class, MKDEV(0, 0)); + device_unregister(tlmi_priv.class_dev); }
static int tlmi_probe(struct wmi_device *wdev, const void *context)