HID: logitech: check the return value of create_singlethread_workqueue
create_singlethread_workqueue may fail and return NULL. The fix checks if it is NULL to avoid NULL pointer dereference. Also, the fix moves the call of create_singlethread_workqueue earlier to avoid resource-release issues. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
parent
94a9992f7d
commit
6c44b15e1c
@ -2111,6 +2111,13 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index)
|
|||||||
kfree(data);
|
kfree(data);
|
||||||
return -ENOMEM;
|
return -ENOMEM;
|
||||||
}
|
}
|
||||||
|
data->wq = create_singlethread_workqueue("hidpp-ff-sendqueue");
|
||||||
|
if (!data->wq) {
|
||||||
|
kfree(data->effect_ids);
|
||||||
|
kfree(data);
|
||||||
|
return -ENOMEM;
|
||||||
|
}
|
||||||
|
|
||||||
data->hidpp = hidpp;
|
data->hidpp = hidpp;
|
||||||
data->feature_index = feature_index;
|
data->feature_index = feature_index;
|
||||||
data->version = version;
|
data->version = version;
|
||||||
@ -2155,7 +2162,6 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index)
|
|||||||
/* ignore boost value at response.fap.params[2] */
|
/* ignore boost value at response.fap.params[2] */
|
||||||
|
|
||||||
/* init the hardware command queue */
|
/* init the hardware command queue */
|
||||||
data->wq = create_singlethread_workqueue("hidpp-ff-sendqueue");
|
|
||||||
atomic_set(&data->workqueue_size, 0);
|
atomic_set(&data->workqueue_size, 0);
|
||||||
|
|
||||||
/* initialize with zero autocenter to get wheel in usable state */
|
/* initialize with zero autocenter to get wheel in usable state */
|
||||||
|
Loading…
Reference in New Issue
Block a user