diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-12-02 10:07:32 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-12-02 10:07:32 +0100 |
| commit | 3782746a08f6b0a8e385058b6748a5a0f166f3a7 (patch) | |
| tree | 96b913c81d5566c3dba2b6ed8625531f456c0782 /lib/mpi/mpi-pow.c | |
| parent | 2471cece40d61b0035360338569d338f9dea6099 (diff) | |
| parent | 2caceb3294a78c389b462e7e236a4e744a53a474 (diff) | |
Merge branch 'linus' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/mpi/mpi-pow.c')
| -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; } |