1 files changed, 57 insertions, 12 deletions

diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 50dc30051f22..e8bcc3a88732 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -2679,7 +2679,7 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd)
 /**
  * pmcraid_reset_device - device reset handler functions
  *
- * @scsi_cmd: scsi command struct
+ * @scsi_dev: scsi device struct
  * @timeout: command timeout
  * @modifier: reset modifier indicating the reset sequence to be performed
  *
@@ -2691,7 +2691,7 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd)
  *	SUCCESS / FAILED
  */
 static int pmcraid_reset_device(
-	struct scsi_cmnd *scsi_cmd,
+	struct scsi_device *scsi_dev,
 	unsigned long timeout,
 	u8 modifier)
 {
@@ -2703,11 +2703,11 @@ static int pmcraid_reset_device(
 	u32 ioasc;
 
 	pinstance =
-		(struct pmcraid_instance *)scsi_cmd->device->host->hostdata;
-	res = scsi_cmd->device->hostdata;
+		(struct pmcraid_instance *)scsi_dev->host->hostdata;
+	res = scsi_dev->hostdata;
 
 	if (!res) {
-		sdev_printk(KERN_ERR, scsi_cmd->device,
+		sdev_printk(KERN_ERR, scsi_dev,
 			    "reset_device: NULL resource pointer\n");
 		return FAILED;
 	}
@@ -3018,27 +3018,72 @@ static int pmcraid_eh_device_reset_handler(struct scsi_cmnd *scmd)
 {
 	scmd_printk(KERN_INFO, scmd,
 		    "resetting device due to an I/O command timeout.\n");
-	return pmcraid_reset_device(scmd,
+	return pmcraid_reset_device(scmd->device,
 				    PMCRAID_INTERNAL_TIMEOUT,
 				    RESET_DEVICE_LUN);
 }
 
 static int pmcraid_eh_bus_reset_handler(struct scsi_cmnd *scmd)
 {
-	scmd_printk(KERN_INFO, scmd,
+	struct Scsi_Host *host = scmd->device->host;
+	struct pmcraid_instance *pinstance =
+		(struct pmcraid_instance *)host->hostdata;
+	struct pmcraid_resource_entry *res = NULL;
+	struct pmcraid_resource_entry *temp;
+	struct scsi_device *sdev = NULL;
+	unsigned long lock_flags;
+
+	/*
+	 * The reset device code insists on us passing down
+	 * a device, so grab the first device on the bus.
+	 */
+	spin_lock_irqsave(&pinstance->resource_lock, lock_flags);
+	list_for_each_entry(temp, &pinstance->used_res_q, queue) {
+		if (scmd->device->channel == PMCRAID_VSET_BUS_ID &&
+		    RES_IS_VSET(temp->cfg_entry)) {
+			res = temp;
+			break;
+		} else if (scmd->device->channel == PMCRAID_PHYS_BUS_ID &&
+			   RES_IS_GSCSI(temp->cfg_entry)) {
+			res = temp;
+			break;
+		}
+	}
+	if (res)
+		sdev = res->scsi_dev;
+	spin_unlock_irqrestore(&pinstance->resource_lock, lock_flags);
+	if (!sdev)
+		return FAILED;
+
+	sdev_printk(KERN_INFO, sdev,
 		    "Doing bus reset due to an I/O command timeout.\n");
-	return pmcraid_reset_device(scmd,
+	return pmcraid_reset_device(sdev,
 				    PMCRAID_RESET_BUS_TIMEOUT,
 				    RESET_DEVICE_BUS);
 }
 
 static int pmcraid_eh_target_reset_handler(struct scsi_cmnd *scmd)
 {
-	scmd_printk(KERN_INFO, scmd,
+	struct Scsi_Host *shost = scmd->device->host;
+	struct scsi_device *scsi_dev = NULL, *tmp;
+	int ret;
+
+	shost_for_each_device(tmp, shost) {
+		if ((tmp->channel == scmd->device->channel) &&
+		    (tmp->id == scmd->device->id)) {
+			scsi_dev = tmp;
+			break;
+		}
+	}
+	if (!scsi_dev)
+		return FAILED;
+	sdev_printk(KERN_INFO, scsi_dev,
 		    "Doing target reset due to an I/O command timeout.\n");
-	return pmcraid_reset_device(scmd,
-				    PMCRAID_INTERNAL_TIMEOUT,
-				    RESET_DEVICE_TARGET);
+	ret = pmcraid_reset_device(scsi_dev,
+				   PMCRAID_INTERNAL_TIMEOUT,
+				   RESET_DEVICE_TARGET);
+	scsi_device_put(scsi_dev);
+	return ret;
 }
 
 /**