linux-kernel - [PATCH 02/16] MPILIB: Add a missing ENOMEM check [ver #2]

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Message-ID: <20111129234323.13625.34554.stgit@warthog.procyon.org.uk>
Date:	Tue, 29 Nov 2011 23:43:23 +0000
From:	David Howells <dhowells@...hat.com>
To:	keyrings@...ux-nfs.org
Cc:	linux-crypto@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, dmitry.kasatkin@...el.com,
	zohar@...ux.vnet.ibm.com, arjan.van.de.ven@...el.com,
	alan.cox@...el.com, David Howells <dhowells@...hat.com>
Subject: [PATCH 02/16] MPILIB: Add a missing ENOMEM check [ver #2]

Add a missing ENOMEM check.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 lib/mpi/mpicoder.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)


diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c
index fe84bb9..6e225a8 100644
--- a/lib/mpi/mpicoder.c
+++ b/lib/mpi/mpicoder.c
@@ -255,6 +255,8 @@ void *mpi_get_buffer(MPI a, unsigned *nbytes, int *sign)
 	if (!n)
 		n++;		/* avoid zero length allocation */
 	p = buffer = kmalloc(n, GFP_KERNEL);
+	if (p < 0)
+		return NULL;
 
 	for (i = a->nlimbs - 1; i >= 0; i--) {
 		alimb = a->d[i];

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