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| author | Arnd Bergmann <arnd@arndb.de> | 2012-02-22 14:20:07 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-02-22 14:20:18 +0000 |
| commit | 2daa79ec2126f8e710391e9d8e8f0d31d7c91d5f (patch) | |
| tree | ab89c74c09c2986fa01c25ad8e45989a48a18899 /lib/mpi/mpi-div.c | |
| parent | 7dae8c5209147ad06d424928a5f1ec45caa87691 (diff) | |
| parent | 678a0222edc9da43a22145d68647500ee85e6c04 (diff) | |
Merge branch 'lpc32xx/drivers' into next/drivers
* lpc32xx/drivers: (566 commits)
ARM: LPC32xx: ADC support for mach-lpc32xx
Includes an update to Linux 3.3-rc4
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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. */ |