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>
diff --git a/lib/mpi/mpi-div.c b/lib/mpi/mpi-div.c
index 8a45717..f68cbbb 100644
--- a/lib/mpi/mpi-div.c
+++ b/lib/mpi/mpi-div.c
@@ -210,6 +210,8 @@
* 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. */