slirp: Use internal state in interface

This now also exports the internal state to the slirp users in qemu,
returning it from slirp_init and expecting it along with service
invocations. Additionally provide an opaque value interface for the
callbacks from slirp into the qemu core.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/slirp/if.c b/slirp/if.c
index 75b15e400c..0f04e13989 100644
--- a/slirp/if.c
+++ b/slirp/if.c
@@ -162,7 +162,7 @@ if_start(Slirp *slirp)
 
  again:
         /* check if we can really output */
-        if (!slirp_can_output())
+        if (!slirp_can_output(slirp->opaque))
             return;
 
 	/*