Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 833b8f18 authored Oct 15, 2015 by Insu Yun Committed by David S. Miller Oct 18, 2015

xen-netback: correctly check failed allocation



Since vzalloc can be failed in memory pressure,
writes -ENOMEM to xenstore to indicate error.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 80083a3c

drivers/net/xen-netback/xenbus.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -788,6 +788,12 @@ 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;
		}

		be->vif->num_queues = requested_num_queues;
		be->vif->stalled_queues = requested_num_queues;