From 45d254206f141f560e76319191f912d0a3d27bd3 Mon Sep 17 00:00:00 2001 From: Johannes Thumshirn Date: Wed, 8 Jul 2015 17:21:15 +0200 Subject: [PATCH] IB/core: Destroy multcast_idr on module exit Destroy multcast_idr on module exit, reclaiming the allocated memory. This was detected by the following semantic patch (written by Luis Rodriguez ) @ defines_module_init @ declarer name module_init, module_exit; declarer name DEFINE_IDR; identifier init; @@ module_init(init); @ defines_module_exit @ identifier exit; @@ module_exit(exit); @ declares_idr depends on defines_module_init && defines_module_exit @ identifier idr; @@ DEFINE_IDR(idr); @ on_exit_calls_destroy depends on declares_idr && defines_module_exit @ identifier declares_idr.idr, defines_module_exit.exit; @@ exit(void) { ... idr_destroy(&idr); ... } @ missing_module_idr_destroy depends on declares_idr && defines_module_exit && !on_exit_calls_destroy @ identifier declares_idr.idr, defines_module_exit.exit; @@ exit(void) { ... +idr_destroy(&idr); } Signed-off-by: Johannes Thumshirn Signed-off-by: Doug Ledford --- drivers/infiniband/core/ucma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index a700cdb13f3d..29b21213ea75 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1616,6 +1616,7 @@ static void __exit ucma_cleanup(void) device_remove_file(ucma_misc.this_device, &dev_attr_abi_version); misc_deregister(&ucma_misc); idr_destroy(&ctx_idr); + idr_destroy(&multicast_idr); } module_init(ucma_init); -- 2.20.1