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| author | Olof Johansson <olof@lixom.net> | 2012-02-10 12:40:34 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-02-10 12:40:34 -0800 |
| commit | 082f53c2f573c75a8f1610c587a43b6817e20f90 (patch) | |
| tree | c3ad3a58967e7f7f61ff12ff59284dba1e76d093 /lib/mpi/mpi-div.c | |
| parent | e69128b947da0a2474447868f73c76311e2baedb (diff) | |
| parent | b024e33682c8e56cc8e869245dabd1b91ffe00ea (diff) | |
Merge branch 'for-arm-soc' of git://sources.calxeda.com/kernel/linux into next/soc
* 'for-arm-soc' of git://sources.calxeda.com/kernel/linux: (247 commits)
ARM: highbank: remove unused memory.h
ARM: highbank: enable sp804 based sched_clock
ARM: timer-sp: add sched_clock support
Linux 3.3-rc3
pcmcia: fix socket refcount decrementing on each resume
mm: fix UP THP spin_is_locked BUGs
drivers/leds/leds-lm3530.c: fix setting pltfm->als_vmax
mm: compaction: check for overlapping nodes during isolation for migration
nilfs2: avoid overflowing segment numbers in nilfs_ioctl_clean_segments()
ASoC: wm8994: Disable line output discharge prior to ramping VMID
ASoC: wm8994: Fix typo in VMID ramp setting
ALSA: oxygen, virtuoso: fix exchanged L/R volumes of aux and CD inputs
ALSA: usb-audio: add Edirol UM-3G support
checkpatch: Warn on code with 6+ tab indentation
ACPI: remove duplicated lines of merging problems with acpi_processor_add
ALSA: hda - add support for Uniwill ECS M31EI notebook
HID: wiimote: fix invalid power_supply_powers call
ALSA: hda - Fix error handling in patch_ca0132.c
target: Fix unsupported WRITE_SAME sense payload
iscsi: use IP_FREEBIND socket option
...
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 c3087d1390ce..f68cbbb4d4a4 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. */ |