diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-10 11:12:55 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-10 11:13:53 -0800 |
| commit | 7483948fdd31a8642ef0288aab6f368b98d53c29 (patch) | |
| tree | 031020a5553701d2aae8dddb0fa509aa65854eb1 /lib/mpi/mpi-div.c | |
| parent | 22a416c4e0f2179b57028e084ac0ed2c110333bd (diff) | |
| parent | fe250923bbbbcbccc9aa7b84d05ee7a060450534 (diff) | |
Merge tag 'usb-3.3-rc3' into usb-next
This is done to resolve a merge conflict with:
drivers/usb/class/cdc-wdm.c
and to better handle future patches for this driver as it is under
active development at the moment.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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. */ |