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| author | Fam Zheng <famz@redhat.com> | 2014-09-10 14:17:50 +0800 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2014-09-22 11:39:49 +0100 |
| commit | 032f8b8158eaab94573340c883cb6cd03cea1117 (patch) | |
| tree | 571dcc081a72b935a8c7d7dbdd76d99b2f59cb80 /hw | |
| parent | d9612b43dd062309a6a4ad4e5cef2badc94f5385 (diff) | |
| download | qemu-032f8b8158eaab94573340c883cb6cd03cea1117.tar.gz qemu-032f8b8158eaab94573340c883cb6cd03cea1117.tar.bz2 qemu-032f8b8158eaab94573340c883cb6cd03cea1117.zip | |
vring: Better error handling if num is too large
To be more consistent inside this function.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1410329871-28885-3-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/virtio/dataplane/vring.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/virtio/dataplane/vring.c b/hw/virtio/dataplane/vring.c index 67cb2b823e..372706a234 100644 --- a/hw/virtio/dataplane/vring.c +++ b/hw/virtio/dataplane/vring.c @@ -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 */ |