Messages in this thread | | | From | "Winkler, Tomas" <> | Subject | RE: [PATCH] mei: Destroy mei_idr on module exit. | Date | Wed, 8 Jul 2015 20:19:09 +0000 |
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> > Destroy mei_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> Ack, this should go probably to stable as well. Tomas
> --- > drivers/misc/mei/main.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c > index 8eb0a95..1f04c38 100644 > --- a/drivers/misc/mei/main.c > +++ b/drivers/misc/mei/main.c > @@ -774,6 +774,7 @@ static void __exit mei_exit(void) > unregister_chrdev_region(mei_devt, MEI_MAX_DEVS); > class_destroy(mei_class); > mei_cl_bus_exit(); > + idr_destroy(&mei_idr); > } > > module_init(mei_init); > -- > 2.4.3
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