ACPI / debugger: copy_to_user doesn't return errors
authorDan Carpenter <dan.carpenter@oracle.com>
Thu, 24 Dec 2015 07:24:37 +0000 (10:24 +0300)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Mon, 28 Dec 2015 00:29:41 +0000 (01:29 +0100)
commitec74765d9f592715292b8b33689a6af6db4cf5c5
tree514b5f24b696674c1d2d4d1ef540a4158fc70042
parent436db5ce0d0e892d2f7327dd7ffd573c5fb9e6cb
ACPI / debugger: copy_to_user doesn't return errors

The copy_to/from_user() functions don't return error codes, they return
the number of bytes remaining.  We had intended to return -EFUALT here.
We actually have already checked access_ok() in an earlier function so
I don't think these functions will fail but let's fix it anyway.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/acpi_dbg.c