On Thu, 2015-10-15 at 12:26 -0400, Insu Yun wrote:
> Since vzalloc can be failed in memory pressure,
> return value should be checked and return ENOMEM.
>
> Signed-off-by: Insu Yun <wuni...@gmail.com>
> ---
> drivers/net/xen-netback/xenbus.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen
> -netback/xenbus.c
> index 929a6e7..e288246 100644
> --- a/drivers/net/xen-netback/xenbus.c
> +++ b/drivers/net/xen-netback/xenbus.c
> @@ -788,6 +788,11 @@ static void connect(struct backend_info *be)
> /* Use the number of queues requested by the frontend */
> be->vif->queues = vzalloc(requested_num_queues *
> sizeof(struct xenvif_queue));
> + if (!be->vif->queues) {
> + xenbus_dev_fatal(dev, -ENOMEM, "allocating queues");
> + return;
> + }
Please fix the coding style, perhaps using checkpatch.pl or by observing
the surrounding code.
Ian.
> +
> be->vif->num_queues = requested_num_queues;
> be->vif->stalled_queues = requested_num_queues;
>
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