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authorJames Smart <James.Smart@Emulex.Com>2006-08-01 07:33:52 -0400
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-08-06 11:28:22 -0500
commit1c067a42413c4f39c907443b8f5979cd4d82f0ff (patch)
treee799752f33cd731b362e4fe4f039cc3a40c7590c /drivers/scsi/lpfc/lpfc_sli.c
parenta309a6b6e64b8147b7cfe7388237fb83834f58c9 (diff)
[SCSI] lpfc 8.1.7 : Fix race condition between lpfc_sli_issue_mbox and lpfc_online
Fix race condition between lpfc_sli_issue_mbox and lpfc_online Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 4dc2d584319..fbf108c9625 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1711,15 +1711,13 @@ lpfc_sli_brdreset(struct lpfc_hba * phba)
phba->fc_myDID = 0;
phba->fc_prevDID = 0;
- psli->sli_flag = 0;
-
/* Turn off parity checking and serr during the physical reset */
pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value);
pci_write_config_word(phba->pcidev, PCI_COMMAND,
(cfg_value &
~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR)));
- psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
+ psli->sli_flag &= ~(LPFC_SLI2_ACTIVE | LPFC_PROCESS_LA);
/* Now toggle INITFF bit in the Host Control Register */
writel(HC_INITFF, phba->HCregaddr);
mdelay(1);
@@ -1905,6 +1903,9 @@ lpfc_sli_hba_setup(struct lpfc_hba * phba)
}
while (resetcount < 2 && !done) {
+ spin_lock_irq(phba->host->host_lock);
+ phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE;
+ spin_unlock_irq(phba->host->host_lock);
phba->hba_state = LPFC_STATE_UNKNOWN;
lpfc_sli_brdrestart(phba);
msleep(2500);
@@ -1912,6 +1913,9 @@ lpfc_sli_hba_setup(struct lpfc_hba * phba)
if (rc)
break;
+ spin_lock_irq(phba->host->host_lock);
+ phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+ spin_unlock_irq(phba->host->host_lock);
resetcount++;
/* Call pre CONFIG_PORT mailbox command initialization. A value of 0