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| author | Dmitry Kasatkin <dmitry.kasatkin@intel.com> | 2012-01-26 18:13:18 +0100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2012-02-01 14:23:39 +0100 |
| commit | 43b2c0aeaab2237996a72f9b9d7952ba82d56913 (patch) | |
| tree | d685ff8357eafe11ffab7d42bf4e7d3fd81cb97c /lib/mpi | |
| parent | lib/mpi: added comment on divide by 0 case (diff) | |
| download | linux-43b2c0aeaab2237996a72f9b9d7952ba82d56913.tar.xz linux-43b2c0aeaab2237996a72f9b9d7952ba82d56913.zip | |
lib/mpi: added missing NULL check
Added missing NULL check after mpi_alloc_limb_space().
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')
| -rw-r--r-- | lib/mpi/mpi-div.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/mpi/mpi-div.c b/lib/mpi/mpi-div.c index 8a45717bd001..f68cbbb4d4a4 100644 --- a/lib/mpi/mpi-div.c +++ b/lib/mpi/mpi-div.c @@ -210,6 +210,8 @@ int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) * numerator would be gradually overwritten by the quotient limbs. */ if (qp == np) { /* Copy NP object to temporary space. */ np = marker[markidx++] = mpi_alloc_limb_space(nsize); + if (!np) + goto nomem; MPN_COPY(np, qp, nsize); } } else /* Put quotient at top of remainder. */ |