diff options
| -rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 5 | ||||
| -rw-r--r-- | include/scsi/libsas.h | 8 |
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 869b5d4db44c..d953225f6cc2 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1313,10 +1313,7 @@ static int sas_check_parent_topology(struct domain_device *child) int i; int res = 0; - if (!child->parent) - return 0; - - if (!dev_is_expander(child->parent->dev_type)) + if (!dev_parent_is_expander(child)) return 0; parent_ex = &child->parent->ex_dev; diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index ba460b6c0374..8d38565e99fa 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -203,6 +203,14 @@ static inline bool dev_is_expander(enum sas_device_type type) type == SAS_FANOUT_EXPANDER_DEVICE; } +static inline bool dev_parent_is_expander(struct domain_device *dev) +{ + if (!dev->parent) + return false; + + return dev_is_expander(dev->parent->dev_type); +} + static inline void INIT_SAS_WORK(struct sas_work *sw, void (*fn)(struct work_struct *)) { INIT_WORK(&sw->work, fn); |