On 04/12/2022 08:16, Jason Yan wrote:
The domain device 'child' is allocated in sas_ex_discover_end_dev() and never been added to dev_list. So remove the useless list_del() and related locks. Cc: John Garry <john.g.garry@xxxxxxxxxx> Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx> --- drivers/scsi/libsas/sas_expander.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index a8af723fab3c..82ea7560a888 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);
Since we have the spin lock'ing, this seems to be have been intentionally added (and not some simple typo or similar) - any idea of the origin?
Thanks, John
out_free: sas_port_delete(phy->port); out_err: