This is a note to let you know that I've just added the patch titled HID: amd_sfh: Handle condition of "no sensors" to the 5.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: hid-amd_sfh-handle-condition-of-no-sensors.patch and it can be found in the queue-5.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 392160cd932049f90a59c6d8e4ef12e1ad36a52d Author: Basavaraj Natikar <Basavaraj.Natikar@xxxxxxx> Date: Sat Jul 23 11:40:33 2022 +0530 HID: amd_sfh: Handle condition of "no sensors" [ Upstream commit 5d4d0f15657535f6a122ab26d47230b5c2b944af ] Add a check for num_hid_devices to handle special case the situation of "no sensors". Fixes: 4b2c53d93a4b ("SFH:Transport Driver to add support of AMD Sensor Fusion Hub (SFH)") Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@xxxxxxx> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c index 444acd9e2cd6..8be33cf3b6c2 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_client.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c @@ -155,6 +155,8 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) dev = &privdata->pdev->dev; cl_data->num_hid_devices = amd_mp2_get_sensor_num(privdata, &cl_data->sensor_idx[0]); + if (cl_data->num_hid_devices == 0) + return -ENODEV; INIT_DELAYED_WORK(&cl_data->work, amd_sfh_work); INIT_DELAYED_WORK(&cl_data->work_buffer, amd_sfh_work_buffer);