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| author | Tony Lindgren <tony@atomide.com> | 2012-02-17 15:08:20 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2012-02-17 15:08:20 -0800 |
| commit | b0ee4e394009f02a1d1b166091a19e8b842b4ea4 (patch) | |
| tree | 75e6df725e5402ed6fe9d78f23bf5cf45cfdf9d9 /lib/mpi/mpi-div.c | |
| parent | abe763f2bccbc592d33a3a9c334acaefea022c0a (diff) | |
| parent | 03e4fd6eb25e6b46536ecdb0d1b7d33d46b15480 (diff) | |
Merge branch 'for_3.3/fixes/pm' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes
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. */ |