From 35667b9983a2a89e504377e89388982dc398773d Mon Sep 17 00:00:00 2001 From: Johannes Thumshirn Date: Wed, 8 Jul 2015 17:15:34 +0200 Subject: [PATCH] mtd: Destroy mtd_idr on module_exit Destroy mtd_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: Brian Norris --- drivers/mtd/mtdcore.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 8bbbb751bf45..8598e3b783fe 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -1301,6 +1301,7 @@ static void __exit cleanup_mtd(void) remove_proc_entry("mtd", NULL); class_unregister(&mtd_class); bdi_destroy(&mtd_bdi); + idr_destroy(&mtd_idr); } module_init(init_mtd); -- 2.20.1