2012-08-01 07:41:23

by Dmitry Kravkov

[permalink] [raw]
Subject: Re: [PATCH] bnx2x: fix mem leak when command is unknown

On Tue, 2012-07-31 at 23:39 +0200, Jesper Juhl wrote:
> In bnx2x_mcast_enqueue_cmd() we'll leak the memory allocated to
> 'new_cmd' if we hit the deafault case of the 'switch (cmd)'.
> Add a 'kfree(new_cmd)' to that case to avoid the leak.
>
> Signed-off-by: Jesper Juhl <[email protected]>
> ---
> drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 1 +
> 1 file changed, 1 insertion(+)
>
> note: due to lack of hardware this patch is compile tested only.
>
> diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
> index 734fd87..62f754b 100644
> --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
> +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
> @@ -2485,6 +2485,7 @@ static int bnx2x_mcast_enqueue_cmd(struct bnx2x *bp,
> break;
>
> default:
> + kfree(new_cmd);
> BNX2X_ERR("Unknown command: %d\n", cmd);
> return -EINVAL;
> }
> --
> 1.7.11.3
>
Thanks a lot, Jesper.

Acked-by: Dmitry Kravkov <[email protected]>
>