diff options
| author | Basavaraj Natikar <Basavaraj.Natikar@amd.com> | 2022-07-23 11:40:33 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-17 14:23:57 +0200 |
| commit | 2988443802fcdda01da6c3b5e5867e08173ed009 (patch) | |
| tree | f7080c731984b06cc564dccc9d5cbd58905639c9 /drivers/hid | |
| parent | 0d265155501ed03e236759bd4750fae03dc13ddc (diff) | |
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@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_client.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c index 6284db50ec9b..ab149b80f86c 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_client.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c @@ -154,6 +154,8 @@ 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); |