From mboxrd@z Thu Jan 1 00:00:00 1970 From: Asias He Subject: [PATCH v2 1/2] kvm tools: Fix VHOST_SET_MEM_TABLE failure Date: Thu, 12 Jul 2012 00:08:13 +0800 Message-ID: <1342022894-1034-1-git-send-email-asias.hejun@gmail.com> Cc: Sasha Levin , Ingo Molnar , Cyrill Gorcunov , kvm@vger.kernel.org, Asias He To: Pekka Enberg Return-path: Received: from mail-pb0-f46.google.com ([209.85.160.46]:64753 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755573Ab2GKQGn (ORCPT ); Wed, 11 Jul 2012 12:06:43 -0400 Received: by pbbrp8 with SMTP id rp8so2200678pbb.19 for ; Wed, 11 Jul 2012 09:06:42 -0700 (PDT) Sender: kvm-owner@vger.kernel.org List-ID: VHOST_SET_MEM_TABLE failed: Operation not supported In vhost_set_memory(), We have if (mem.padding) return -EOPNOTSUPP; So, we need to zero struct vhost_memory. Signed-off-by: Asias He --- tools/kvm/virtio/net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/kvm/virtio/net.c b/tools/kvm/virtio/net.c index ae17eb5..aa769d9 100644 --- a/tools/kvm/virtio/net.c +++ b/tools/kvm/virtio/net.c @@ -471,7 +471,7 @@ static void virtio_net__vhost_init(struct kvm *kvm, struct net_dev *ndev) if (ndev->vhost_fd < 0) die_perror("Failed openning vhost-net device"); - mem = malloc(sizeof(*mem) + sizeof(struct vhost_memory_region)); + mem = calloc(1, sizeof(*mem) + sizeof(struct vhost_memory_region)); if (mem == NULL) die("Failed allocating memory for vhost memory map"); -- 1.7.10.4