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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-02-21 09:32:19 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-02-21 09:32:19 +0200 |
| commit | 3f60db4bde17088feed5f143582d7661cdbb9a01 (patch) | |
| tree | 21a7866ae6d199cfa8f619ced9500687bdf84f18 /lib/mpi/mpi-div.c | |
| parent | 5e36097889725dbe4f098c3f1e93cb2f21cae6ee (diff) | |
| parent | b01543dfe67bb1d191998e90d20534dc354de059 (diff) | |
Merge commit 'v3.3-rc4'
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 c3087d1390c..f68cbbb4d4a 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. */ |