[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>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 262618210c1c..e215cf0478d6 100644
--- 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);