Message ID | 20221213150942.988371-4-yanaijie@huawei.com |
---|---|
State | Superseded |
Headers | show |
Series | scsi: libsas: Some coding style fixes and cleanups | expand |
On 13/12/2022 15:09, Jason Yan wrote: > The domain device 'child' is allocated in sas_ex_discover_end_dev() and > never been added to dev_list. It used to be added to the dev_list in this > function. But after the following two fixes it is added to the disco_list > instead. So the list_del() and locking left is useless now. > > Fixes: 87c8331fcf72 ("[SCSI] libsas: prevent domain rediscovery competing with ata error handling") > Fixes: 92625f9bff38 ("[SCSI] libsas: restore scan order") > Cc: John Garry<john.g.garry@oracle.com> > Signed-off-by: Jason Yan<yanaijie@huawei.com> Reviewed-by: John Garry <john.g.garry@oracle.com>
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index a04cad620e93..29e1b93b0964 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -875,9 +875,6 @@ static struct domain_device *sas_ex_discover_end_dev( out_list_del: sas_rphy_free(child->rphy); list_del(&child->disco_list_node); - spin_lock_irq(&parent->port->dev_list_lock); - list_del(&child->dev_list_node); - spin_unlock_irq(&parent->port->dev_list_lock); out_free: sas_port_delete(phy->port); out_err:
The domain device 'child' is allocated in sas_ex_discover_end_dev() and never been added to dev_list. It used to be added to the dev_list in this function. But after the following two fixes it is added to the disco_list instead. So the list_del() and locking left is useless now. Fixes: 87c8331fcf72 ("[SCSI] libsas: prevent domain rediscovery competing with ata error handling") Fixes: 92625f9bff38 ("[SCSI] libsas: restore scan order") Cc: John Garry <john.g.garry@oracle.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> --- drivers/scsi/libsas/sas_expander.c | 3 --- 1 file changed, 3 deletions(-)