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| author | Dmitry Kasatkin <dmitry.kasatkin@intel.com> | 2012-01-26 19:13:21 +0200 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2012-02-02 00:23:14 +1100 |
| commit | e87c5e35a92e045de75fb6ae9846a38bdd0f92bd (patch) | |
| tree | a518be04415fd6b6746493e96b422bfad1cbb10f /lib/mpi/mpi-pow.c | |
| parent | 3cccd1543ab623a5065335bf08350e06ffc788ab (diff) | |
| download | linux-e87c5e35a92e045de75fb6ae9846a38bdd0f92bd.tar.bz2 | |
lib/mpi: return error code on dividing by zero
Definitely better to return error code than to divide by zero.
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Reviewed-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'lib/mpi/mpi-pow.c')
| -rw-r--r-- | lib/mpi/mpi-pow.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/mpi/mpi-pow.c b/lib/mpi/mpi-pow.c index b04a3cf80080..67f3e79af914 100644 --- a/lib/mpi/mpi-pow.c +++ b/lib/mpi/mpi-pow.c @@ -59,7 +59,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) ep = exp->d; if (!msize) - msize = 1 / msize; /* provoke a signal */ + return -EINVAL; if (!esize) { /* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0 |