diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2019-08-09 13:07:28 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-08-09 13:07:28 -0500 |
| commit | 3f61fd41f38328f0a585eaba2d72d339fe9aecda (patch) | |
| tree | 4a6fe7dc98a44dec003833a7fa440daa6c304a28 /lib/mpi/mpi-pow.c | |
| parent | 6ca523d7eb198b78f79df882b7dc4a8c795d8777 (diff) | |
| parent | e21a712a9685488f5ce80495b37b9fdbe96c230d (diff) | |
Merge tag 'v5.3-rc3' into drm-next-5.4
Linux 5.3-rc3
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'lib/mpi/mpi-pow.c')
| -rw-r--r-- | lib/mpi/mpi-pow.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/mpi/mpi-pow.c b/lib/mpi/mpi-pow.c index 82b19e4f1189..2fd7a46d55ec 100644 --- a/lib/mpi/mpi-pow.c +++ b/lib/mpi/mpi-pow.c @@ -24,6 +24,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) { mpi_ptr_t mp_marker = NULL, bp_marker = NULL, ep_marker = NULL; + struct karatsuba_ctx karactx = {}; mpi_ptr_t xp_marker = NULL; mpi_ptr_t tspace = NULL; mpi_ptr_t rp, ep, mp, bp; @@ -150,13 +151,11 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) int c; mpi_limb_t e; mpi_limb_t carry_limb; - struct karatsuba_ctx karactx; xp = xp_marker = mpi_alloc_limb_space(2 * (msize + 1)); if (!xp) goto enomem; - memset(&karactx, 0, sizeof karactx); negative_result = (ep[0] & 1) && base->sign; i = esize - 1; @@ -281,8 +280,6 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) if (mod_shift_cnt) mpihelp_rshift(rp, rp, rsize, mod_shift_cnt); MPN_NORMALIZE(rp, rsize); - - mpihelp_release_karatsuba_ctx(&karactx); } if (negative_result && rsize) { @@ -299,6 +296,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) leave: rc = 0; enomem: + mpihelp_release_karatsuba_ctx(&karactx); if (assign_rp) mpi_assign_limb_space(res, rp, size); if (mp_marker) |