diff --git a/drivers/infiniband/hw/hfi1/sysfs.c b/drivers/infiniband/hw/hfi1/sysfs.c index 783a8b3be735..e3e8d65646e3 100644 --- a/drivers/infiniband/hw/hfi1/sysfs.c +++ b/drivers/infiniband/hw/hfi1/sysfs.c @@ -861,8 +861,13 @@ bail: for (i = 0; i < ARRAY_SIZE(hfi1_attributes); ++i) device_remove_file(&dev->dev, hfi1_attributes[i]); - for (i = 0; i < dd->num_sdma; i++) - kobject_del(&dd->per_sdma[i].kobj); + /* + * The function kobject_put() will call kobject_del() if the kobject + * has been added successfully. The sysfs files created under the + * kobject directory will also be removed during the process. + */ + for (; i >= 0; i--) + kobject_put(&dd->per_sdma[i].kobj); return ret; } @@ -875,6 +880,10 @@ void hfi1_verbs_unregister_sysfs(struct hfi1_devdata *dd) struct hfi1_pportdata *ppd; int i; + /* Unwind operations in hfi1_verbs_register_sysfs() */ + for (i = 0; i < dd->num_sdma; i++) + kobject_put(&dd->per_sdma[i].kobj); + for (i = 0; i < dd->num_pports; i++) { ppd = &dd->pport[i];