diff options
Diffstat (limited to 'lib/crypto/mpi/mpi-pow.c')
| -rw-r--r-- | lib/crypto/mpi/mpi-pow.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/crypto/mpi/mpi-pow.c b/lib/crypto/mpi/mpi-pow.c index 2fd7a46d55ec..9e695a3bda3a 100644 --- a/lib/crypto/mpi/mpi-pow.c +++ b/lib/crypto/mpi/mpi-pow.c @@ -13,8 +13,10 @@ * however I decided to publish this code under the plain GPL. */ +#include <linux/export.h> #include <linux/sched.h> #include <linux/string.h> + #include "mpi-internal.h" #include "longlong.h" @@ -176,7 +178,6 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) for (;;) { while (c) { - mpi_ptr_t tp; mpi_size_t xsize; /*if (mpihelp_mul_n(xp, rp, rp, rsize) < 0) goto enomem */ @@ -207,9 +208,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) xsize = msize; } - tp = rp; - rp = xp; - xp = tp; + swap(rp, xp); rsize = xsize; if ((mpi_limb_signed_t) e < 0) { @@ -235,9 +234,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) xsize = msize; } - tp = rp; - rp = xp; - xp = tp; + swap(rp, xp); rsize = xsize; } e <<= 1; |