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bridge: Fix potential segfault when preparing dnsmasq arguments

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We add --dhcp-lease-max=xxx argument when network->def->nranges > 0 but
we only allocate space for in the opposite case :-) I guess we are lucky
enough to miscount somewhere else so that we actually allocate more
space than we need since no-one has hit this bug so far.
This commit is contained in:
Jiri Denemark 2010-08-11 17:47:18 +02:00
parent 3de8245560
commit 6f42d3253a
1 changed files with 1 additions and 1 deletions
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2
src/network/bridge_driver.c
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@ -426,7 +426,7 @@ networkBuildDnsmasqArgv(virNetworkObjPtr network,
2 + /* --listen-address 10.0.0.1 */
(2 * network->def->nranges) + /* --dhcp-range 10.0.0.2,10.0.0.254 */
/* --dhcp-lease-max=xxx if needed */
(network->def->nranges ? 0 : 1) +
(network->def->nranges ? 1 : 0) +
/* --dhcp-hostsfile=/var/lib/dnsmasq/$NAME.hostsfile */
(network->def->nhosts > 0 ? 1 : 0) +
/* --enable-tftp --tftp-root /srv/tftp */