Message ID | 1436369041-31156-1-git-send-email-jthumshirn@suse.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 07/08/2015 05:24 PM, Johannes Thumshirn wrote: > Destroy st_index_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/scsi/st.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c > index 3f25b8f..79ac024 100644 > --- a/drivers/scsi/st.c > +++ b/drivers/scsi/st.c > @@ -4427,6 +4427,7 @@ static void __exit exit_st(void) > unregister_chrdev_region(MKDEV(SCSI_TAPE_MAJOR, 0), > ST_MAX_TAPE_ENTRIES); > class_unregister(&st_sysfs_class); > + idr_destroy(&st_index_idr); > printk(KERN_INFO "st: Unloaded.\n"); > } > > Reviewed-by: Hannes Reinecke <hare@suse.de> Cheers, Hannes
> On 8.7.2015, at 18.24, Johannes Thumshirn <jthumshirn@suse.de> wrote: > > Destroy st_index_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> Acked-by: Kai Mäkisara <kai.makisara@kolumbus.fi> Thanks, Kai -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" 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/scsi/st.c b/drivers/scsi/st.c index 3f25b8f..79ac024 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -4427,6 +4427,7 @@ static void __exit exit_st(void) unregister_chrdev_region(MKDEV(SCSI_TAPE_MAJOR, 0), ST_MAX_TAPE_ENTRIES); class_unregister(&st_sysfs_class); + idr_destroy(&st_index_idr); printk(KERN_INFO "st: Unloaded.\n"); }
Destroy st_index_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/scsi/st.c | 1 + 1 file changed, 1 insertion(+)