There is an empty "All good" branch in sas_check_parent_topology(). We can reverse the test statement and remove the empty branch. Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx> --- drivers/scsi/libsas/sas_expander.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 048a931d856a..c0841652f0e0 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1284,11 +1284,9 @@ static int sas_check_parent_topology(struct domain_device *child) res = -ENODEV; } } else if (parent_phy->routing_attr == TABLE_ROUTING) { - if (child_phy->routing_attr == SUBTRACTIVE_ROUTING || - (child_phy->routing_attr == TABLE_ROUTING && - child_ex->t2t_supp && parent_ex->t2t_supp)) { - /* All good */; - } else { + if (child_phy->routing_attr != SUBTRACTIVE_ROUTING && + (child_phy->routing_attr != TABLE_ROUTING || + !child_ex->t2t_supp || !parent_ex->t2t_supp)) { sas_print_parent_topology_bug(child, parent_phy, child_phy); res = -ENODEV; } -- 2.31.1