[SCSI] allow sleeping in ->eh_bus_reset_handler()

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

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c
index 029cef4ad694..6f15e7adbc65 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -2987,6 +2987,8 @@ static int nsp32_eh_bus_reset(struct scsi_cmnd *SCpnt)
         nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
         unsigned int   base = SCpnt->device->host->io_port;
 
+        spin_lock_irq(SCpnt->device->host->host_lock);
+
         nsp32_msg(KERN_INFO, "Bus Reset");      
         nsp32_dbg(NSP32_DEBUG_BUSRESET, "SCpnt=0x%x", SCpnt);
 
@@ -2994,6 +2996,7 @@ static int nsp32_eh_bus_reset(struct scsi_cmnd *SCpnt)
         nsp32_do_bus_reset(data);
         nsp32_write2(base, IRQ_CONTROL, 0);
 
+        spin_unlock_irq(SCpnt->device->host->host_lock);
         return SUCCESS; /* SCSI bus reset is succeeded at any time. */
 }