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path: root/drivers/scsi/lpfc/lpfc_attr.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index b12a841..74c9fc2 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1954,7 +1954,9 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
(phba->sysfs_mbox.mbox->mb.mbxCommand !=
MBX_DUMP_MEMORY &&
phba->sysfs_mbox.mbox->mb.mbxCommand !=
- MBX_RESTART)) {
+ MBX_RESTART &&
+ phba->sysfs_mbox.mbox->mb.mbxCommand !=
+ MBX_WRITE_VPARMS)) {
sysfs_mbox_idle(phba);
spin_unlock_irq(&phba->hbalock);
return -EPERM;
@@ -1962,7 +1964,11 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
phba->sysfs_mbox.mbox->vport = vport;
- if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
+ /* Don't allow mailbox commands to be sent when blocked
+ * or when in the middle of discovery
+ */
+ if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO ||
+ vport->fc_flag & FC_NDISC_ACTIVE) {
sysfs_mbox_idle(phba);
spin_unlock_irq(&phba->hbalock);
return -EAGAIN;
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