Message ID | 20101031170647.GA426@redhat.com |
---|---|
State | New |
Headers | show |
diff --git a/net/tap.c b/net/tap.c index 4cfa538..51c762d 100644 --- a/net/tap.c +++ b/net/tap.c @@ -248,6 +248,9 @@ void tap_set_offload(VLANClientState *nc, int csum, int tso4, int tso6, int ecn, int ufo) { TAPState *s = DO_UPCAST(TAPState, nc, nc); + if (s->fd < 0) { + return 0; + } return tap_fd_set_offload(s->fd, csum, tso4, tso6, ecn, ufo); } @@ -269,6 +272,7 @@ static void tap_cleanup(VLANClientState *nc) tap_read_poll(s, 0); tap_write_poll(s, 0); close(s->fd); + s->fd = -1; } static void tap_poll(VLANClientState *nc, bool enable)
virtio-net expects set_offload to succeed after peer cleanup. Since we don't have an open fd anymore, make it so. Fixes warning about the failure of offload setting. Reported-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- net/tap.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)