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authorJames Smart <james.smart@emulex.com>2010-02-12 14:43:01 -0500
committerJames Bottomley <James.Bottomley@suse.de>2010-02-17 17:41:19 -0600
commit72100cc43262fa39821b3debc04be1a7a17b3428 (patch)
tree2f313571ee9c9cf4d4a16f2a6e69f82c569b9757 /drivers/scsi/lpfc/lpfc_vport.c
parent84d1b006978e78e27f22beb5cfbc4d349bac6df7 (diff)
[SCSI] lpfc 8.3.9: Fix locking and memory issues
- Use the hbalock when changing the fc_flag. - Use the host_lock when changeing the sli_flag. - Prevent NULL pointer dereference after dma_alloc_coherent failure. Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_vport.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_vport.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 281ff033a7b..dc86e873102 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -505,6 +505,7 @@ enable_vport(struct fc_vport *fc_vport)
struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
struct lpfc_hba *phba = vport->phba;
struct lpfc_nodelist *ndlp = NULL;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
if ((phba->link_state < LPFC_LINK_UP) ||
(phba->fc_topology == TOPOLOGY_LOOP)) {
@@ -512,10 +513,10 @@ enable_vport(struct fc_vport *fc_vport)
return VPORT_OK;
}
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(shost->host_lock);
vport->load_flag |= FC_LOADING;
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(shost->host_lock);
/* Use the Physical nodes Fabric NDLP to determine if the link is
* up and ready to FDISC.