| Message ID | 1436368609-30777-1-git-send-email-jthumshirn@suse.de |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Johannes Thumshirn <jthumshirn@suse.de> Date: Wed, 8 Jul 2015 17:16:49 +0200 > Destroy minor_idr on module_exit, reclaiming the allocated memory. > > This was detected by the following semantic patch (written by Luis Rodriguez > <mcgrof@suse.com>) ... > Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index f837080..3b933bb 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -1355,6 +1355,7 @@ static void macvtap_exit(void) class_unregister(macvtap_class); cdev_del(&macvtap_cdev); unregister_chrdev_region(macvtap_major, MACVTAP_NUM_DEVS); + idr_destroy(&minor_idr); } module_exit(macvtap_exit);
Destroy minor_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/net/macvtap.c | 1 + 1 file changed, 1 insertion(+)