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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-01-24 09:57:18 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-01-24 09:57:18 -0800 |
| commit | 62ed8ceda1699acae01b666497f004bfd3d67a6f (patch) | |
| tree | fe38c83c49dfd568b540666948ef78cb9d082c38 /lib/mpi | |
| parent | 1c3415a06b1016a596bfe59e0cfee56c773aa958 (diff) | |
| parent | 7a308bb3016f57e5be11a677d15b821536419d36 (diff) | |
Merge tag 'v4.10-rc5' into for-linus
Sync up with mainline to apply fixup to a commit that came through
power supply tree.
Diffstat (limited to 'lib/mpi')
| -rw-r--r-- | lib/mpi/mpi-pow.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/mpi/mpi-pow.c b/lib/mpi/mpi-pow.c index 5464c8744ea9..e24388a863a7 100644 --- a/lib/mpi/mpi-pow.c +++ b/lib/mpi/mpi-pow.c @@ -64,8 +64,13 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) if (!esize) { /* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0 * depending on if MOD equals 1. */ - rp[0] = 1; res->nlimbs = (msize == 1 && mod->d[0] == 1) ? 0 : 1; + if (res->nlimbs) { + if (mpi_resize(res, 1) < 0) + goto enomem; + rp = res->d; + rp[0] = 1; + } res->sign = 0; goto leave; } |