--- 27rc5~/drivers/char/nwflash.c	2004-08-07 14:02:42.000000000 +0300
+++ 27rc5/drivers/char/nwflash.c	2004-08-07 14:18:04.000000000 +0300
@@ -159,7 +159,8 @@
 		if (ret == 0) {
 			ret = count;
 			*ppos = p + count;
-		}
+		} else
+			ret = -EFAULT;
 		up(&nwflash_sem);
 	}
 	return ret;