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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-02-06 19:10:52 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-02-06 19:11:02 -0200
commit5ddf146f70a44ed4133dea4d377b172605a1cfa5 (patch)
tree058b6f58b5ab756f9fe798983e7c7bbf75450509 /lib/mpi/mpi-div.c
parent781ba9d2ed9df07dbb413fb5ee80ef7d353841c9 (diff)
parenta4a03fc7ef89020baca4f19174e6a43767c6d78a (diff)
Merge branch 'perf/urgent' into perf/core
So that we can get the perf bench exec stack fixes and then apply the remaining fix for the files added after what is in perf/urgent. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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. */