diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-14 13:13:25 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-14 13:13:25 +0000 |
| commit | 7d9aca39dcacd2b3f42e2e287162329f410f93e1 (patch) | |
| tree | 2907b680b2b7625226f46d23d74ccc9c58ad0362 /lib/mpi/mpi-div.c | |
| parent | e1c1c69c8fc7656c33460c8e085ac0d0be22ac3b (diff) | |
| parent | a0cc0209abb9fe2b9ab71aa41be70eddd0cbdd61 (diff) | |
Merge remote-tracking branch 'regmap/topic/drivers' into regmap-next
Resolved simple add/add conflicts:
drivers/base/regmap/internal.h
drivers/base/regmap/regmap.c
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. */ |