| Message ID | 1436368534-30687-1-git-send-email-jthumshirn@suse.de |
|---|---|
| State | Accepted |
| Commit | 35667b9983a2a89e504377e89388982dc398773d |
| Headers | show |
On Wed, Jul 08, 2015 at 05:15:34PM +0200, Johannes Thumshirn wrote: > Destroy mtd_idr on module_exit, reclaiming the allocated memory. > > This was detected by the following semantic patch (written by Luis Rodriguez > <mcgrof@suse.com>) > <SmPL> > @ 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); > } > </SmPL> > > Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Applied to l2-mtd.git. Thanks.
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 8bbbb75..8598e3b 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);
Destroy mtd_idr on module_exit, reclaiming the allocated memory. This was detected by the following semantic patch (written by Luis Rodriguez <mcgrof@suse.com>) <SmPL> @ 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); } </SmPL> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> --- drivers/mtd/mtdcore.c | 1 + 1 file changed, 1 insertion(+)