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authorIngo Molnar <mingo@elte.hu>2009-08-11 14:19:09 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-11 14:19:09 +0200
commit89034bc2c7b839702c00a704e79d112737f98be0 (patch)
treee65b1f3d4c751baa840efc81bc4734f089379eb3 /drivers/scsi/libsas/sas_port.c
parentfb82ad719831db58e9baa4c67015aae3fe27e7e3 (diff)
parent85dfd81dc57e8183a277ddd7a56aa65c96f3f487 (diff)
Merge branch 'linus' into tracing/core
Conflicts: kernel/trace/trace_events_filter.c We use the tracing/core version. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/scsi/libsas/sas_port.c')
-rw-r--r--drivers/scsi/libsas/sas_port.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index e6ac59c023f..fe8b74c706d 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -56,7 +56,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
}
}
- /* find a port */
+ /* see if the phy should be part of a wide port */
spin_lock_irqsave(&sas_ha->phy_port_lock, flags);
for (i = 0; i < sas_ha->num_phys; i++) {
port = sas_ha->sas_port[i];
@@ -69,12 +69,23 @@ static void sas_form_port(struct asd_sas_phy *phy)
SAS_DPRINTK("phy%d matched wide port%d\n", phy->id,
port->id);
break;
- } else if (*(u64 *) port->sas_addr == 0 && port->num_phys==0) {
- memcpy(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE);
- break;
}
spin_unlock(&port->phy_list_lock);
}
+ /* The phy does not match any existing port, create a new one */
+ if (i == sas_ha->num_phys) {
+ for (i = 0; i < sas_ha->num_phys; i++) {
+ port = sas_ha->sas_port[i];
+ spin_lock(&port->phy_list_lock);
+ if (*(u64 *)port->sas_addr == 0
+ && port->num_phys == 0) {
+ memcpy(port->sas_addr, phy->sas_addr,
+ SAS_ADDR_SIZE);
+ break;
+ }
+ spin_unlock(&port->phy_list_lock);
+ }
+ }
if (i >= sas_ha->num_phys) {
printk(KERN_NOTICE "%s: couldn't find a free port, bug?\n",