[SCSI] allow sleeping in ->eh_bus_reset_handler()

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 13da26883da3..f2aff3f4042b 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -1054,7 +1054,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
  * Note: midlayer calls this function with the host_lock held
  */
 static int
-lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
+__lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 {
         struct Scsi_Host *shost = cmnd->device->host;
         struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
@@ -1144,6 +1144,16 @@ out:
 }
 
 static int
+lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
+{
+        int rc;
+        spin_lock_irq(cmnd->device->host->host_lock);
+        rc = __lpfc_reset_bus_handler(cmnd);
+        spin_unlock_irq(cmnd->device->host->host_lock);
+        return rc;
+}
+
+static int
 lpfc_slave_alloc(struct scsi_device *sdev)
 {
         struct lpfc_hba *phba = (struct lpfc_hba *)sdev->host->hostdata[0];