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Only attempt removal of the rule allowing tftp if it was added

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During virtual network startup, the iptables rule that allows tftp
traffic is only added if network->def->tftproot is non-empty, but when
the virtual network is destroyed, we had been unconditionally trying
to delete the rule. This was harmless, except that it created a bogus
error message.

This patch conditionalizes the delete command in the same manner that
the insert command is already conditionalized.
This commit is contained in:
Laine Stump 2010-10-27 22:45:43 -04:00
parent 1dd49e921f
commit 0111cebb5a
1 changed files with 2 additions and 1 deletions
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3
src/network/bridge_driver.c
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@ -990,7 +990,8 @@ networkRemoveIptablesRules(struct network_driver *driver,
iptablesRemoveForwardAllowCross(driver->iptables, network->def->bridge);
iptablesRemoveForwardRejectIn(driver->iptables, network->def->bridge);
iptablesRemoveForwardRejectOut(driver->iptables, network->def->bridge);
iptablesRemoveUdpInput(driver->iptables, network->def->bridge, 69);
if (network->def->tftproot)
iptablesRemoveUdpInput(driver->iptables, network->def->bridge, 69);
iptablesRemoveUdpInput(driver->iptables, network->def->bridge, 53);
iptablesRemoveTcpInput(driver->iptables, network->def->bridge, 53);
iptablesRemoveUdpInput(driver->iptables, network->def->bridge, 67);