diff options
| author | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-07-19 12:40:22 -0400 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-07-19 12:40:22 -0400 |
| commit | ca79234af3a9e6d942763a58956b337e69bf1340 (patch) | |
| tree | e3b923f28f8e1282a16a0b55d7dce7e2b0a9fa44 /lib | |
| parent | 858848641fbecd42437e36adc9291b0ce5db379e (diff) | |
| parent | 3bd837bfe431839a378e9d421af05b2e22a6d329 (diff) | |
Merge tag 'v4.19.59' into v4.19-rt
This is the 4.19.59 stable release
Diffstat (limited to 'lib')
| -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 a5c921e6d667..d3ca55093fa5 100644 --- a/lib/mpi/mpi-pow.c +++ b/lib/mpi/mpi-pow.c @@ -37,6 +37,7 @@ 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; @@ -163,13 +164,11 @@ 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; @@ -294,8 +293,6 @@ 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) { @@ -312,6 +309,7 @@ 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) |