tree acc9b49db3a7e291b74a0746c0c6956ecb0f94dd
parent cab02f6bc8e8623080f53003813fa8a2b5a40fb8
author Gilles Peskine <Gilles.Peskine@arm.com> 1668549540 +0100
committer Gilles Peskine <Gilles.Peskine@arm.com> 1668679426 +0100

Fix NULL+0 in addition 0 + 0

Fix undefined behavior (typically harmless in practice) of
mbedtls_mpi_add_mpi(), mbedtls_mpi_add_abs() and mbedtls_mpi_add_int() when
both operands are 0 and the left operand is represented with 0 limbs.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>