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| author | James Smart <james.smart@emulex.com> | 2010-02-12 14:43:01 -0500 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-02-17 17:41:19 -0600 |
| commit | 72100cc43262fa39821b3debc04be1a7a17b3428 (patch) | |
| tree | 2f313571ee9c9cf4d4a16f2a6e69f82c569b9757 /drivers/scsi/lpfc/lpfc_vport.c | |
| parent | 84d1b006978e78e27f22beb5cfbc4d349bac6df7 (diff) | |
| download | kernel_samsung_smdk4412-72100cc43262fa39821b3debc04be1a7a17b3428.zip kernel_samsung_smdk4412-72100cc43262fa39821b3debc04be1a7a17b3428.tar.gz kernel_samsung_smdk4412-72100cc43262fa39821b3debc04be1a7a17b3428.tar.bz2 | |
[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.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index 281ff03..dc86e87 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. |