From 5d4d0f15657535f6a122ab26d47230b5c2b944af Mon Sep 17 00:00:00 2001 From: Basavaraj Natikar Date: Sat, 23 Jul 2022 11:40:33 +0530 Subject: [PATCH] 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 --- drivers/hid/amd-sfh-hid/amd_sfh_client.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c index f95e623..8275bba6 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); -- 2.7.4