summaryrefslogtreecommitdiffstats
path: root/lib/mpi/mpi-div.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2012-02-10 23:32:28 -0500
committerDavid S. Miller <davem@davemloft.net>2012-02-10 23:32:28 -0500
commitd5ef8a4d87ab21d575ac86366599c9152a28028d (patch)
tree8b1be85ad1af7ee6a0e3e36c77ae738c966c1f21 /lib/mpi/mpi-div.c
parentd9dd966d7fc088a6bed991c2b1e2fba4485e0a31 (diff)
parent8df54d622a120058ee8bec38743c9b8f091c8e58 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/infiniband/hw/nes/nes_cm.c Simple whitespace conflict. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/mpi/mpi-div.c')
-rw-r--r--lib/mpi/mpi-div.c5
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. */