2.4.1

 drivers

 usb

diff -u --recursive --new-file v2.4.0/linux/drivers/usb/rio500.c linux/drivers/usb/rio500.c
--- v2.4.0/linux/drivers/usb/rio500.c   Thu Jan  4 13:15:32 2001
+++ linux/drivers/usb/rio500.c   Tue Jan 16 14:29:54 2001
@@ -247,6 +247,7 @@
    return 0;
 
 err_out:
+   up(&(rio->lock));
    return retval;
 }
 
@@ -389,7 +390,7 @@
               result, partial, this_read);
          return -EIO;
       } else {
-         unlock_kernel();
+         up(&(rio->lock));
          return (0);
       }