[SCSI] allow sleeping in ->eh_host_reset_handler()

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

drivers/scsi/sym53c416.c

@@ -790,6 +790,9 @@ static int sym53c416_host_reset(Scsi_Cmnd *SCpnt)
 	int base;
 	int scsi_id = -1;	
 	int i;
+	unsigned long flags;
+
+	spin_lock_irqsave(&sym53c416_lock, flags);
 
 	/* printk("sym53c416_reset\n"); */
 	base = SCpnt->device->host->io_port;
@@ -801,6 +804,8 @@ static int sym53c416_host_reset(Scsi_Cmnd *SCpnt)
 	outb(NOOP | PIO_MODE, base + COMMAND_REG);
 	outb(RESET_SCSI_BUS, base + COMMAND_REG);
 	sym53c416_init(base, scsi_id);
+
+	spin_unlock_irqrestore(&sym53c416_lock, flags);
 	return SUCCESS;
 }