Commit 2e1e0641 authored by Mark McLoughlin's avatar Mark McLoughlin
Browse files

net: vlan clients with no fd_can_read() can always receive 



If a vlan client has no fd_can_read(), that means it can
always receive packets. The current code assumes it can *never*
receive packets.

Signed-off-by: default avatarMark McLoughlin <markmc@redhat.com>
parent 5b01e886

net.c

+10 −6
Original line number Diff line number Diff line
@@ -389,14 +389,18 @@ VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque) 
    return NULL;

}



int qemu_can_send_packet(VLANClientState *vc1)

int qemu_can_send_packet(VLANClientState *sender)

{

    VLANState *vlan = vc1->vlan;

    VLANState *vlan = sender->vlan;

    VLANClientState *vc;



    for (vc = vlan->first_client; vc != NULL; vc = vc->next) {

        if (vc != vc1) {

            if (vc->fd_can_read && vc->fd_can_read(vc->opaque))

        if (vc == sender) {

            continue;

        }



        /* no fd_can_read() handler, they can always receive */

        if (!vc->fd_can_read || vc->fd_can_read(vc->opaque)) {

            return 1;

        }

    }