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authorAmit Shah <amit.shah@redhat.com>2011-07-27 12:29:33 +0530
committerAnthony Liguori <aliguori@us.ibm.com>2011-08-04 16:43:09 -0500
commitf76f665547f4a954a2c83552a88816fc2a316be0 (patch)
tree65fc217c5fd47c5ed0fce6845f572bf20c7183ab /hw/virtio-pci.c
parent6c6ec1821a2631b21e680051e2dedaa1be5b83dc (diff)
downloadqemu-f76f665547f4a954a2c83552a88816fc2a316be0.tar.gz
virtio-balloon: Check if balloon registration failed
Multiple balloon registrations are not allowed; check if the registration with the qemu balloon api succeeded. If not, fail the device init. Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio-pci.c')
-rw-r--r--hw/virtio-pci.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index d685243728..ca5f125dae 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -788,6 +788,9 @@ static int virtio_balloon_init_pci(PCIDevice *pci_dev)
VirtIODevice *vdev;
vdev = virtio_balloon_init(&pci_dev->qdev);
+ if (!vdev) {
+ return -1;
+ }
virtio_init_pci(proxy, vdev);
return 0;
}