[SCSI] lpfc 8.2.3 : Temperature handling fix

Temperature handling fix - return proper error code indicator for applications

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 4e9e890449a3..e1b041d8f6d5 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -979,6 +979,12 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
         unsigned int i, j, cnt=count;
         u8 wwpn[8];
 
+        spin_lock_irq(&phba->hbalock);
+        if (phba->over_temp_state == HBA_OVER_TEMP) {
+                spin_unlock_irq(&phba->hbalock);
+                return -EPERM;
+        }
+        spin_unlock_irq(&phba->hbalock);
         /* count may include a LF at end of string */
         if (buf[cnt-1] == '\n')
                 cnt--;
@@ -1750,6 +1756,12 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 
         spin_lock_irq(&phba->hbalock);
 
+        if (phba->over_temp_state == HBA_OVER_TEMP) {
+                sysfs_mbox_idle(phba);
+                spin_unlock_irq(&phba->hbalock);
+                return  -EPERM;
+        }
+
         if (off == 0 &&
             phba->sysfs_mbox.state  == SMBOX_WRITING &&
             phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {