From fccac68c38a8a6308dcfeb322da50f0097d6ce85 Mon Sep 17 00:00:00 2001
From: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Date: Thu, 26 Jan 2012 19:13:19 +0200
Subject: [PATCH] --- yaml --- r: 287115 b: refs/heads/master c:
 4877e056192245b387aae004ab38f7f3899dd57c h: refs/heads/master i:   287113:
 7531c0068e7f1ad367b12dbf4e51766f09f9baee   287111:
 e442254218c12ba98f3edb811c963ed9f519ace3 v: v3

---
 [refs]                  | 2 +-
 trunk/lib/mpi/mpiutil.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index a08621d3a533..2f34d78bbb28 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b35e286a640f31d619a637332972498b51f3fd90
+refs/heads/master: 4877e056192245b387aae004ab38f7f3899dd57c
diff --git a/trunk/lib/mpi/mpiutil.c b/trunk/lib/mpi/mpiutil.c
index 6bfc41f62b8f..26e4ed31e256 100644
--- a/trunk/lib/mpi/mpiutil.c
+++ b/trunk/lib/mpi/mpiutil.c
@@ -58,6 +58,9 @@ mpi_ptr_t mpi_alloc_limb_space(unsigned nlimbs)
 {
 	size_t len = nlimbs * sizeof(mpi_limb_t);
 
+	if (!len)
+		return NULL;
+
 	return kmalloc(len, GFP_KERNEL);
 }