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libnm: avoid possibly NULL address for NMDeviceVlan calling nm_utils_hwaddr_matches()

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This commit is contained in:
Thomas Haller 2016-10-12 19:47:38 +02:00
parent 7eb054d099
commit c4198d45e3
1 changed files with 5 additions and 2 deletions
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7
libnm/nm-device-vlan.c
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@ -116,6 +116,7 @@ nm_device_vlan_get_vlan_id (NMDeviceVlan *device)
static gboolean
connection_compatible (NMDevice *device, NMConnection *connection, GError **error)
{
NMDeviceVlanPrivate *priv;
NMSettingVlan *s_vlan;
NMSettingWired *s_wired;
const char *setting_hwaddr;
@ -142,8 +143,10 @@ connection_compatible (NMDevice *device, NMConnection *connection, GError **erro
else
setting_hwaddr = NULL;
if (setting_hwaddr) {
if (!nm_utils_hwaddr_matches (setting_hwaddr, -1,
NM_DEVICE_VLAN_GET_PRIVATE (device)->hw_address, -1)) {
priv = NM_DEVICE_VLAN_GET_PRIVATE (device);
if ( !priv->hw_address
|| !nm_utils_hwaddr_matches (setting_hwaddr, -1,
priv->hw_address, -1)) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
_("The hardware address of the device and the connection didn't match."));
}