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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2016-09-21 16:52:21 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-09-23 19:03:55 +0300 |
| commit | ec55da192403e4a1e05f767c8762273d43ea7da4 (patch) | |
| tree | 29f5bf0e96631a8b1d84a666427fecd85659ce6b /pc-bios/Makefile | |
| parent | 791b1daf724ea835a32e90b2b15df1e20dae6f57 (diff) | |
| download | qemu-ec55da192403e4a1e05f767c8762273d43ea7da4.zip qemu-ec55da192403e4a1e05f767c8762273d43ea7da4.tar.gz qemu-ec55da192403e4a1e05f767c8762273d43ea7da4.tar.bz2 | |
virtio: handle virtqueue_map_desc() errors
Errors can occur during virtqueue_pop(), especially in
virtqueue_map_desc(). In order to handle this we must unmap iov[]
before returning NULL. The caller will consider the virtqueue empty and
the virtio_error() call will have marked the device broken.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'pc-bios/Makefile')
0 files changed, 0 insertions, 0 deletions