add_buf returns ring size on out of memory, this is not what devices expect.
Signed-off-by: Michael S. Tsirkin <[email protected]> --- Please consider this patch for 2.6.35. drivers/virtio/virtio_ring.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index ed845b7..dd35b34 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -119,7 +119,7 @@ static int vring_add_indirect(struct vring_virtqueue *vq, desc = kmalloc((out + in) * sizeof(struct vring_desc), gfp); if (!desc) - return vq->vring.num; + return -ENOMEM; /* Transfer entries from the sg list into the indirect page */ for (i = 0; i < out; i++) { -- 1.7.1.12.g42b7f _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
