Commit e87c5e35 authored Jan 26, 2012 by Dmitry Kasatkin Committed by James Morris Feb 02, 2012

lib/mpi: return error code on dividing by zero



Definitely better to return error code than to divide by zero.

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>

parent 3cccd154

lib/mpi/mpi-pow.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -59,7 +59,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod)
		ep = exp->d;

		if (!msize)
		msize = 1 / msize; /* provoke a signal */
		return -EINVAL;

		if (!esize) {
		/* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0