staging: for dgrp, let nd_ps_desc always NUL terminated string within MAX_DESC_LEN length
Use strlcpy instead of strncpy to let nd_ps_desc always NUL terminated.
Change nd_ps_desc in nd_struct struct to MAX_DESC_LEN to avoid the
confusion (the related length checking also need be changed to
MAX_DESC_LEN - 1).
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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