Treat 'p' as a hexadecimal integer with precision equal to the number of
digits in void *.
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200518190716.751506-11-nivedita@alum.mit.eduSigned-off-by: Ard Biesheuvel <ardb@kernel.org>