From: Basavaraj Natikar Date: Sat, 23 Jul 2022 06:10:33 +0000 (+0530) Subject: HID: amd_sfh: Handle condition of "no sensors" X-Git-Tag: block-6.0-2022-08-12~13^2~5^2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=5d4d0f15657535f6a122ab26d47230b5c2b944af;p=linux-block.git HID: amd_sfh: Handle condition of "no sensors" 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 Signed-off-by: Jiri Kosina --- diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c index f95e623040f3..8275bba63611 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_client.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c @@ -225,6 +225,8 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) mp2_ops->resume = amd_sfh_resume; 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);