[IB] Add idr_destroy() calls on module unload

Add idr_destroy() calls to the module_exit() functions of the four IB
driver modules that use idrs, so we don't leak idr_layer_cache objects
when these modules are unloaded.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 54db6d4..151ef83 100644 (file)
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3323,6 +3323,7 @@ static void __exit ib_cm_cleanup(void)
        flush_workqueue(cm.wq);
        destroy_workqueue(cm.wq);
        ib_unregister_client(&cm_client);
+       idr_destroy(&cm.local_id_table);
 }
 
 module_init(ib_cm_init);

diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 2626182..e215cf0 100644 (file)
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -975,6 +975,7 @@ static int __init ib_sa_init(void)
 static void __exit ib_sa_cleanup(void)
 {
        ib_unregister_client(&sa_client);
+       idr_destroy(&query_idr);
 }
 
 module_init(ib_sa_init);

diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index d0f0b0a..5a6ba40 100644 (file)
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1320,6 +1320,7 @@ static void __exit ib_ucm_cleanup(void)
        class_destroy(ib_ucm_class);
        cdev_del(&ib_ucm_cdev);
        unregister_chrdev_region(IB_UCM_DEV, 1);
+       idr_destroy(&ctx_id_table);
 }
 
 module_init(ib_ucm_init);

diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 1251180..add45f7 100644 (file)
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -762,6 +762,13 @@ static void __exit ib_uverbs_cleanup(void)
        unregister_filesystem(&uverbs_event_fs);
        class_unregister(&uverbs_class);
        unregister_chrdev_region(IB_UVERBS_BASE_DEV, IB_UVERBS_MAX_DEVICES);
+       idr_destroy(&ib_uverbs_pd_idr);
+       idr_destroy(&ib_uverbs_mr_idr);
+       idr_destroy(&ib_uverbs_mw_idr);
+       idr_destroy(&ib_uverbs_ah_idr);
+       idr_destroy(&ib_uverbs_cq_idr);
+       idr_destroy(&ib_uverbs_qp_idr);
+       idr_destroy(&ib_uverbs_srq_idr);
 }
 
 module_init(ib_uverbs_init);