Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

1 files changed, 26 insertions, 8 deletions

diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 93a16fa3c4ba..cdac5578fdf2 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -893,6 +893,7 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
  *		when a lun is disable by mid-layer.
  *		Do NOT access the referenced scsi_cmnd structure or
  *		members. Will cause either a paging or NULL ptr error.
+ *		(BUT, BUT, BUT, the code does reference it! - mdr)
  *      @hd: Pointer to a SCSI HOST structure
  *	@vdevice: per device private data
  *
@@ -2162,10 +2163,9 @@ mptscsih_target_alloc(struct scsi_target *starget)
 {
 	VirtTarget		*vtarget;
 
-	vtarget = kmalloc(sizeof(VirtTarget), GFP_KERNEL);
+	vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
 	if (!vtarget)
 		return -ENOMEM;
-	memset(vtarget, 0, sizeof(VirtTarget));
 	starget->hostdata = vtarget;
 	return 0;
 }
@@ -2185,14 +2185,13 @@ mptscsih_slave_alloc(struct scsi_device *sdev)
 	VirtDevice		*vdev;
 	struct scsi_target 	*starget;
 
-	vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
+	vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
 	if (!vdev) {
 		printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
 				hd->ioc->name, sizeof(VirtDevice));
 		return -ENOMEM;
 	}
 
-	memset(vdev, 0, sizeof(VirtDevice));
 	vdev->ioc_id = hd->ioc->id;
 	vdev->target_id = sdev->id;
 	vdev->bus_id = sdev->channel;
@@ -2559,13 +2558,25 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 			hd->cmdPtr = NULL;
 		}
 
-		/* 7. Set flag to force DV and re-read IOC Page 3
+		/* 7. SPI: Set flag to force DV and re-read IOC Page 3
 		 */
 		if (ioc->bus_type == SPI) {
 			ioc->spi_data.forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3;
 			ddvtprintk(("Set reload IOC Pg3 Flag\n"));
 		}
 
+		/* 7. FC: Rescan for blocked rports which might have returned.
+		 */
+		else if (ioc->bus_type == FC) {
+			int work_count;
+			unsigned long flags;
+
+			spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+			work_count = ++ioc->fc_rescan_work_count;
+			spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+			if (work_count == 1)
+				schedule_work(&ioc->fc_rescan_work);
+		}
 		dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name));
 
 	}
@@ -2589,6 +2600,8 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 {
 	MPT_SCSI_HOST *hd;
 	u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
+	int work_count;
+	unsigned long flags;
 
 	devtprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
 			ioc->name, event));
@@ -2610,11 +2623,18 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 		/* FIXME! */
 		break;
 
+	case MPI_EVENT_RESCAN:				/* 06 */
+		spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+		work_count = ++ioc->fc_rescan_work_count;
+		spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+		if (work_count == 1)
+			schedule_work(&ioc->fc_rescan_work);
+		break;
+
 		/*
 		 *  CHECKME! Don't think we need to do
 		 *  anything for these, but...
 		 */
-	case MPI_EVENT_RESCAN:				/* 06 */
 	case MPI_EVENT_LINK_STATUS_CHANGE:		/* 07 */
 	case MPI_EVENT_LOOP_STATE_CHANGE:		/* 08 */
 		/*
@@ -3954,8 +3974,6 @@ mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
 
 /* Search IOC page 3 to determine if this is hidden physical disk
  */
-/* Search IOC page 3 to determine if this is hidden physical disk
- */
 static int
 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id)
 {