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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: Mark McLoughlin <markmc@redhat.com>
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parent
5b01e886d9
commit
2e1e064110
16
net.c
16
net.c
@ -389,15 +389,19 @@ VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque)
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return NULL;
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}
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int qemu_can_send_packet(VLANClientState *vc1)
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int qemu_can_send_packet(VLANClientState *sender)
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{
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VLANState *vlan = vc1->vlan;
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VLANState *vlan = sender->vlan;
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VLANClientState *vc;
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for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
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if (vc != vc1) {
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if (vc->fd_can_read && vc->fd_can_read(vc->opaque))
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return 1;
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for (vc = vlan->first_client; vc != NULL; vc = vc->next) {
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if (vc == sender) {
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continue;
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}
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/* no fd_can_read() handler, they can always receive */
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if (!vc->fd_can_read || vc->fd_can_read(vc->opaque)) {
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return 1;
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}
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}
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return 0;
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