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| author | Arnd Bergmann <arnd@arndb.de> | 2012-02-27 16:23:15 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-02-27 16:23:21 +0000 |
| commit | a173fc693b25216c5c834978f4fafd731fd4ff94 (patch) | |
| tree | f75c2fa106217cc3afd1bde6803ca77fe953bbcf /lib/mpi/mpi-div.c | |
| parent | d052e161c4067cf21daacb1de960a1e449babfe4 (diff) | |
| parent | 759a45185ac0e4dfaf8bbfcb390ec73aca4b7a34 (diff) | |
Merge branch 'kirkwood/board' into next/boards
* kirkwood/board: (2 commits)
ARM: kirkwood: convert uart0 to devicetree.
ARM: kirkwood: add dreamplug (fdt) support.
Series sent by email from Jason Cooper <jason@lakedaemon.net>
Update to Linux 3.3-rc3
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. */ |