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| author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-02-24 00:47:05 +0000 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-02-24 00:47:05 +0000 |
| commit | 8aaaaf3cbfb96a9f74c5775c71067a9290244ec7 (patch) | |
| tree | 67349c6a69740150b67c4c39de49cde9b3648aa5 /lib/mpi/mpi-div.c | |
| parent | 94f61a7666224ab307e387ff0d146055ae77e6ab (diff) | |
| parent | e29206381a1436e0f47c0f5b9a23159a03c57715 (diff) | |
Merge branch 'fbdev-for-linus' into fbdev-next
Diffstat (limited to 'lib/mpi/mpi-div.c')
| -rw-r--r-- | lib/mpi/mpi-div.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/mpi/mpi-div.c b/lib/mpi/mpi-div.c index c3087d1390ce..f68cbbb4d4a4 100644 --- a/lib/mpi/mpi-div.c +++ b/lib/mpi/mpi-div.c @@ -149,6 +149,9 @@ int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) mpi_ptr_t marker[5]; int markidx = 0; + if (!dsize) + return -EINVAL; + memset(marker, 0, sizeof(marker)); /* Ensure space is enough for quotient and remainder. @@ -207,6 +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. */ |