diff options
Diffstat (limited to 'drivers/scsi/mvsas/mv_sas.c')
| -rw-r--r-- | drivers/scsi/mvsas/mv_sas.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 31d1ea5a5dd2..1e52bc7febfa 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -67,8 +67,10 @@ static struct mvs_info *mvs_find_dev_mvi(struct domain_device *dev) while (sha->sas_port[i]) { if (sha->sas_port[i] == dev->port) { + spin_lock(&sha->sas_port[i]->phy_list_lock); phy = container_of(sha->sas_port[i]->phy_list.next, struct asd_sas_phy, port_phy_el); + spin_unlock(&sha->sas_port[i]->phy_list_lock); j = 0; while (sha->sas_phy[j]) { if (sha->sas_phy[j] == phy) @@ -96,6 +98,8 @@ static int mvs_find_dev_phyno(struct domain_device *dev, int *phyno) while (sha->sas_port[i]) { if (sha->sas_port[i] == dev->port) { struct asd_sas_phy *phy; + + spin_lock(&sha->sas_port[i]->phy_list_lock); list_for_each_entry(phy, &sha->sas_port[i]->phy_list, port_phy_el) { j = 0; @@ -109,6 +113,7 @@ static int mvs_find_dev_phyno(struct domain_device *dev, int *phyno) num++; n++; } + spin_unlock(&sha->sas_port[i]->phy_list_lock); break; } i++; |