lib/mpi: added missing NULL check

Added missing NULL check after mpi_alloc().

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Reviewed-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Dmitry Kasatkin 2012-01-26 19:13:17 +02:00 committed by James Morris
parent 62aa2b537c
commit c70c471c58
1 changed files with 2 additions and 1 deletions

View File

@ -79,7 +79,8 @@ MPI do_encode_md(const void *sha_buffer, unsigned nbits)
}
a = mpi_alloc((nframe + BYTES_PER_MPI_LIMB - 1) / BYTES_PER_MPI_LIMB);
mpi_set_buffer(a, frame, nframe, 0);
if (a)
mpi_set_buffer(a, frame, nframe, 0);
kfree(frame);
return a;