From 3cccd1543ab623a5065335bf08350e06ffc788ab Mon Sep 17 00:00:00 2001
From: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Date: Thu, 26 Jan 2012 19:13:16 +0200
Subject: [PATCH] lib/mpi: replaced MPI_NULL with normal NULL

MPI_NULL is replaced with normal NULL.

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>
---
 include/linux/mpi.h | 2 --
 lib/mpi/mpicoder.c  | 8 ++++----
 lib/mpi/mpiutil.c   | 2 +-
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/include/linux/mpi.h b/include/linux/mpi.h
index 06f88994ccaa..d02cca6cc8ce 100644
--- a/include/linux/mpi.h
+++ b/include/linux/mpi.h
@@ -57,8 +57,6 @@ struct gcry_mpi {
 
 typedef struct gcry_mpi *MPI;
 
-#define MPI_NULL NULL
-
 #define mpi_get_nlimbs(a)     ((a)->nlimbs)
 #define mpi_is_neg(a)	      ((a)->sign)
 
diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c
index 6116fc4990da..d7684aa7f65c 100644
--- a/lib/mpi/mpicoder.c
+++ b/lib/mpi/mpicoder.c
@@ -34,7 +34,7 @@ MPI do_encode_md(const void *sha_buffer, unsigned nbits)
 	uint8_t *frame, *fr_pt;
 	int i = 0, n;
 	size_t asnlen = DIM(asn);
-	MPI a = MPI_NULL;
+	MPI a = NULL;
 
 	if (SHA1_DIGEST_LENGTH + asnlen + 4 > nframe)
 		pr_info("MPI: can't encode a %d bit MD into a %d bits frame\n",
@@ -48,7 +48,7 @@ MPI do_encode_md(const void *sha_buffer, unsigned nbits)
 	 */
 	frame = kmalloc(nframe, GFP_KERNEL);
 	if (!frame)
-		return MPI_NULL;
+		return NULL;
 	n = 0;
 	frame[n++] = 0;
 	frame[n++] = 1;		/* block type */
@@ -92,7 +92,7 @@ MPI mpi_read_from_buffer(const void *xbuffer, unsigned *ret_nread)
 	int i, j;
 	unsigned nbits, nbytes, nlimbs, nread = 0;
 	mpi_limb_t a;
-	MPI val = MPI_NULL;
+	MPI val = NULL;
 
 	if (*ret_nread < 2)
 		goto leave;
@@ -109,7 +109,7 @@ MPI mpi_read_from_buffer(const void *xbuffer, unsigned *ret_nread)
 	nlimbs = (nbytes + BYTES_PER_MPI_LIMB - 1) / BYTES_PER_MPI_LIMB;
 	val = mpi_alloc(nlimbs);
 	if (!val)
-		return MPI_NULL;
+		return NULL;
 	i = BYTES_PER_MPI_LIMB - nbytes % BYTES_PER_MPI_LIMB;
 	i %= BYTES_PER_MPI_LIMB;
 	val->nbits = nbits;
diff --git a/lib/mpi/mpiutil.c b/lib/mpi/mpiutil.c
index eefc55d6b7f5..6bfc41f62b8f 100644
--- a/lib/mpi/mpiutil.c
+++ b/lib/mpi/mpiutil.c
@@ -135,7 +135,7 @@ int mpi_copy(MPI *copied, const MPI a)
 	size_t i;
 	MPI b;
 
-	*copied = MPI_NULL;
+	*copied = NULL;
 
 	if (a) {
 		b = mpi_alloc(a->nlimbs);
-- 
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