Commit 032f8b81 authored by Fam Zheng's avatar Fam Zheng Committed by Stefan Hajnoczi
Browse files

vring: Better error handling if num is too large 



To be more consistent inside this function.

Signed-off-by: default avatarFam Zheng <famz@redhat.com>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Message-id: 1410329871-28885-3-git-send-email-famz@redhat.com
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent d9612b43

hw/virtio/dataplane/vring.c

+2 −1
Original line number Diff line number Diff line
@@ -181,7 +181,8 @@ static int get_desc(Vring *vring, VirtQueueElement *elem, 


    /* Stop for now if there are not enough iovecs available. */

    if (*num >= VIRTQUEUE_MAX_SIZE) {

        return -ENOBUFS;

        error_report("Invalid SG num: %u", *num);

        return -EFAULT;

    }



    /* TODO handle non-contiguous memory across region boundaries */