[libvirt] [PATCH] qemuDomainDeviceDefValidateNetwork: Check for range only if IP prefix set
Michal Privoznik
mprivozn at redhat.com
Fri Jun 29 14:56:12 UTC 2018
The @prefix attribute to <ip/> element for interface type user is
optional. Therefore, if left out it has value of zero in which
case we should not check whether it falls into <4, 27> range.
Otherwise we fail parsing domain XML for no good reason.
Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
src/qemu/qemu_domain.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index afd572fc5e..c1798edf41 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -4373,7 +4373,8 @@ qemuDomainDeviceDefValidateNetwork(const virDomainNetDef *net)
}
hasIPv4 = true;
- if (ip->prefix < 4 || ip->prefix > 27) {
+ if (ip->prefix > 0 &&
+ (ip->prefix < 4 || ip->prefix > 27)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("invalid prefix, must be in range of 4-27"));
return -1;
--
2.16.4
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