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Dan Carpenter authored
copy_to/from_user() returns the number of bytes which we were not able to copy. It doesn't return an error code. Also a couple places had a printk() on error and I removed that because people can take advantage of it to fill /var/log/messages with spam. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by:
Doug Ledford <dledford@redhat.com>
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