lib/mpi: added missing NULL check

Added missing NULL check after mpi_alloc_limb_space().

Signed-off-by: Dmitry Kasatkin <[email protected]>
Reviewed-by: Tetsuo Handa <[email protected]>
Signed-off-by: James Morris <[email protected]>
This commit is contained in:
Dmitry Kasatkin 2012-01-26 19:13:18 +02:00 • committed by James Morris
commit 43b2c0aeaa

View file

@ -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. */