Remove error reporting when calling the virNWFilterDHCPSnoopEnd
function with an interface for which no thread is snooping traffic.
Document the usage of this function.
Signed-off-by: Stefan Berger <stefanb(a)linux.vnet.ibm.com>
---
src/nwfilter/nwfilter_dhcpsnoop.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
Index: libvirt/src/nwfilter/nwfilter_dhcpsnoop.c
===================================================================
--- libvirt.orig/src/nwfilter/nwfilter_dhcpsnoop.c
+++ libvirt/src/nwfilter/nwfilter_dhcpsnoop.c
@@ -2117,6 +2117,16 @@ err_exit:
return -1;
}
+/**
+ * End a DHCP snoop thread on the given interface or end all
+ * DHCP snoop threads.
+ *
+ * @ifname: Name of an interface or NULL to stop all snoop threads
+ *
+ * It is not an error to call this function with an interface name
+ * for which no thread is snooping traffic. In this case the call will
+ * be a no-op.
+ */
void
virNWFilterDHCPSnoopEnd(const char *ifname)
{
@@ -2130,11 +2140,8 @@ virNWFilterDHCPSnoopEnd(const char *ifna
if (ifname) {
ifkey = (char *)virHashLookup(virNWFilterSnoopState.ifnameToKey,
ifname);
- if (!ifkey) {
- virReportError(VIR_ERR_INTERNAL_ERROR,
- _("ifname \"%s\" not in key map"),
ifname);
+ if (!ifkey)
goto cleanup;
- }
ignore_value(virHashRemoveEntry(virNWFilterSnoopState.ifnameToKey,
ifname));