From patchwork Mon Jan 14 19:20:12 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [1/2] virtio-pci: build for uninitialized return value in vq_vector_unmask Date: Mon, 14 Jan 2013 09:20:12 -0000 From: Michael Roth X-Patchwork-Id: 211866 Message-Id: <1358191213-404-2-git-send-email-mdroth@linux.vnet.ibm.com> To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, stefanha@redhat.com, mst@redhat.com Fixes the following: /home/mdroth/w/qemu2.git/hw/virtio-pci.c: In function ‘kvm_virtio_pci_vector_unmask’: /home/mdroth/w/qemu2.git/hw/virtio-pci.c:673:12: error: ‘ret’ may be used uninitialized in this function [-Werror=uninitialized] cc1: all warnings being treated as errors make: *** [hw/virtio-pci.o] Error 1 make: *** Waiting for unfinished jobs.... Signed-off-by: Michael Roth Reviewed-by: Eduardo Habkost --- hw/virtio-pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c index 0b49739..0934246 100644 --- a/hw/virtio-pci.c +++ b/hw/virtio-pci.c @@ -616,7 +616,7 @@ static int kvm_virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy, VirtQueue *vq = virtio_get_queue(proxy->vdev, queue_no); EventNotifier *n = virtio_queue_get_guest_notifier(vq); VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector]; - int ret; + int ret = 0; if (irqfd->msg.data != msg.data || irqfd->msg.address != msg.address) { ret = kvm_irqchip_update_msi_route(kvm_state, irqfd->virq, msg);