[SCSI] qla2xxx: Clear the MBX_INTR_WAIT flag when the mailbox time-out happens.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

2 files changed, 9 insertions, 3 deletions

diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index cfa2a20dee97..3cc2105dd902 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -12,7 +12,7 @@
  * |             Level            |   Last Value Used  |     Holes      |
  * ----------------------------------------------------------------------
  * | Module Init and Probe        |       0x014f       | 0x4b,0xba,0xfa |
- * | Mailbox commands             |       0x1179       | 0x111a-0x111b  |
+ * | Mailbox commands             |       0x117a       | 0x111a-0x111b  |
  * |                              |                    | 0x1155-0x1158  |
  * | Device Discovery             |       0x2095       | 0x2020-0x2022, |
  * |                              |                    | 0x2016         |
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 3587ec267fa6..144effd45ddf 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -177,8 +177,14 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
                         WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-                wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
-
+                if (!wait_for_completion_timeout(&ha->mbx_intr_comp,
+                    mcp->tov * HZ)) {
+                        ql_dbg(ql_dbg_mbx, vha, 0x117a,
+                            "cmd=%x Timeout.\n", command);
+                        spin_lock_irqsave(&ha->hardware_lock, flags);
+                        clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
+                        spin_unlock_irqrestore(&ha->hardware_lock, flags);
+                }
         } else {
                 ql_dbg(ql_dbg_mbx, vha, 0x1011,
                     "Cmd=%x Polling Mode.\n", command);