diff options
Diffstat (limited to 'drivers/scsi/libsas/sas_port.c')
| -rw-r--r-- | drivers/scsi/libsas/sas_port.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index fe8b74c706d..5257fdfe699 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -28,6 +28,17 @@ #include <scsi/scsi_transport_sas.h> #include "../scsi_sas_internal.h" +static bool phy_is_wideport_member(struct asd_sas_port *port, struct asd_sas_phy *phy) +{ + struct sas_ha_struct *sas_ha = phy->ha; + + if (memcmp(port->attached_sas_addr, phy->attached_sas_addr, + SAS_ADDR_SIZE) != 0 || (sas_ha->strict_wide_ports && + memcmp(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE) != 0)) + return false; + return true; +} + /** * sas_form_port -- add this phy to a port * @phy: the phy of interest @@ -45,8 +56,7 @@ static void sas_form_port(struct asd_sas_phy *phy) unsigned long flags; if (port) { - if (memcmp(port->attached_sas_addr, phy->attached_sas_addr, - SAS_ADDR_SIZE) != 0) + if (!phy_is_wideport_member(port, phy)) sas_deform_port(phy); else { SAS_DPRINTK("%s: phy%d belongs to port%d already(%d)!\n", @@ -62,9 +72,7 @@ static void sas_form_port(struct asd_sas_phy *phy) port = sas_ha->sas_port[i]; spin_lock(&port->phy_list_lock); if (*(u64 *) port->sas_addr && - memcmp(port->attached_sas_addr, - phy->attached_sas_addr, SAS_ADDR_SIZE) == 0 && - port->num_phys > 0) { + phy_is_wideport_member(port, phy) && port->num_phys > 0) { /* wide port */ SAS_DPRINTK("phy%d matched wide port%d\n", phy->id, port->id); |