xen: make use of xenbus_read_unsigned() in xen-tpmfront

Use xenbus_read_unsigned() instead of xenbus_scanf() when possible.
This requires to change the type of one read from int to unsigned,
but this case has been wrong before: negative values are not allowed
for the modified case.

Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

Signed-off-by: Juergen Gross <[email protected]>
Reviewed-by: Jarkko Sakkinen <[email protected]>
Acked-by: David Vrabel <[email protected]>

0 files changed, 0 insertions, 0 deletions