scsi: scsi_debug: Fix memory leak if LBP enabled and module is unloaded

map_storep was not being vfree()'d in the module_exit call.

Cc: <[email protected]>
Signed-off-by: Ewan D. Milne <[email protected]>
Reviewed-by: Laurence Oberman <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>

drivers/scsi/scsi_debug.c

@@ -5134,6 +5134,7 @@ static void __exit scsi_debug_exit(void)
 	bus_unregister(&pseudo_lld_bus);
 	root_device_unregister(pseudo_primary);
 
+	vfree(map_storep);
 	vfree(dif_storep);
 	vfree(fake_storep);
 	kfree(sdebug_q_arr);