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authorBasavaraj Natikar <Basavaraj.Natikar@amd.com>2022-07-23 09:10:33 +0300
committerJiri Kosina <jkosina@suse.cz>2022-07-23 21:10:46 +0300
commit5d4d0f15657535f6a122ab26d47230b5c2b944af (patch)
treef165d2e0e3bfe41bafe1376ed939a7573043bc14 /drivers/hid
parent1a9c9657ba095e3b330daaef75e53329aa989195 (diff)
downloadlinux-5d4d0f15657535f6a122ab26d47230b5c2b944af.tar.xz
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 <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/amd-sfh-hid/amd_sfh_client.c2
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 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);