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Add support for multicast communication with UML/QEMU/KVM.
[tinc]
/
src
/
net.c
diff --git
a/src/net.c
b/src/net.c
index
0496a86
..
327bdd3
100644
(file)
--- a/
src/net.c
+++ b/
src/net.c
@@
-286,9
+286,11
@@
static void check_network_activity(fd_set * readset, fd_set * writeset) {
/* check input from kernel */
if(device_fd >= 0 && FD_ISSET(device_fd, readset)) {
if(devops.read(&packet)) {
/* check input from kernel */
if(device_fd >= 0 && FD_ISSET(device_fd, readset)) {
if(devops.read(&packet)) {
- errors = 0;
- packet.priority = 0;
- route(myself, &packet);
+ if(packet.len) {
+ errors = 0;
+ packet.priority = 0;
+ route(myself, &packet);
+ }
} else {
usleep(errors * 50000);
errors++;
} else {
usleep(errors * 50000);
errors++;