linux-kernel - Re: [PATCH] MPILIB: Add a missing ENOMEM check

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Message-ID: <CALLzPKb1Vw+03rJEfrcYjf2zkRHkchup1=ht05bzna99L6NxQQ@mail.gmail.com>
Date:	Wed, 18 Jan 2012 12:38:22 +0200
From:	"Kasatkin, Dmitry" <dmitry.kasatkin@...el.com>
To:	David Howells <dhowells@...hat.com>
Cc:	jmorris@...ei.org, keyrings@...ux-nfs.org,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, stable@...nel.org,
	Mimi Zohar <zohar@...ibm.com>
Subject: Re: [PATCH] MPILIB: Add a missing ENOMEM check

On Wed, Jan 18, 2012 at 12:03 PM, David Howells <dhowells@...hat.com> wrote:
> Add a missing ENOMEM check.
>
> Signed-off-by: David Howells <dhowells@...hat.com>
> Acked-by: Mimi Zohar <zohar@...ibm.com>

Thanks.

> ---
>
>  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..716802b 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)
> +               return NULL;
>
>        for (i = a->nlimbs - 1; i >= 0; i--) {
>                alimb = a->d[i];
>
> --
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