Improve style
Signed-off-by: Janos Follath <janos.follath@arm.com>
diff --git a/library/bignum.c b/library/bignum.c
index 4cebd95..5ddcf72 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1671,8 +1671,8 @@
/*
* Allocate working memory for mbedtls_mpi_core_exp_mod()
*/
- MBEDTLS_MPI_CHK(mbedtls_mpi_grow(&T,
- mbedtls_mpi_core_exp_mod_working_limbs(N->n, E->n)));
+ size_t T_limbs = mbedtls_mpi_core_exp_mod_working_limbs(N->n, E->n);
+ MBEDTLS_MPI_CHK(mbedtls_mpi_grow(&T, T_limbs));
/*
* Convert to and from Montgomery around mbedtls_mpi_core_exp_mod().