diff options
| author | Niklas Cassel <cassel@kernel.org> | 2025-08-14 19:32:18 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2025-08-18 22:08:30 -0400 |
| commit | e5eb72c92eb724aa14c50c7d92d1a576dd50d7e6 (patch) | |
| tree | 124feabad950c724972a11ca5d2f3b0867cad2f1 /drivers/scsi/libsas/sas_expander.c | |
| parent | 251be2f6037fb7ab399f68cd7428ff274133d693 (diff) | |
scsi: libsas: Add dev_parent_is_expander() helper
Many libsas drivers check if the parent of the device is an expander.
Create a helper that the libsas drivers will use in follow up commits.
Suggested-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Link: https://lore.kernel.org/r/20250814173215.1765055-15-cassel@kernel.org
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libsas/sas_expander.c')
| -rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 5 |
1 files changed, 1 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; |