74 lines
2.7 KiB
Diff
74 lines
2.7 KiB
Diff
From 696f655d7c7b605d0344aeb6ba4ff643cd46a5b4 Mon Sep 17 00:00:00 2001
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From: Dan Williams <dcbw@redhat.com>
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Date: Mon, 11 Nov 2013 15:43:13 -0600
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Subject: [PATCH] ethernet: don't crash if device doesn't have a MAC address
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(rh #1029053)
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Like IBM s390 CTC devices, which aren't really ethernet but for
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historical reasons we treat them as such.
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Signed-off-by: Jiří Klimeš <jklimes@redhat.com>
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Updated to apply for Fedora 20 snapshot.
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---
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src/devices/nm-device-ethernet.c | 14 +++++++++++---
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1 file changed, 11 insertions(+), 3 deletions(-)
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diff --git a/src/devices/nm-device-ethernet.c b/src/devices/nm-device-ethernet.c
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index 7b1c248..c0b7861 100644
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--- a/src/devices/nm-device-ethernet.c
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+++ b/src/devices/nm-device-ethernet.c
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@@ -310,6 +310,7 @@ update_permanent_hw_address (NMDevice *dev)
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struct ifreq req;
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struct ethtool_perm_addr *epaddr = NULL;
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int fd, ret;
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+ const guint8 *mac;
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fd = socket (PF_INET, SOCK_DGRAM, 0);
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if (fd < 0) {
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@@ -332,7 +333,11 @@ update_permanent_hw_address (NMDevice *dev)
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nm_log_dbg (LOGD_HW | LOGD_ETHER, "(%s): unable to read permanent MAC address (error %d)",
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nm_device_get_iface (dev), errno);
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/* Fall back to current address */
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- memcpy (epaddr->data, nm_device_get_hw_address (dev, NULL), ETH_ALEN);
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+ mac = nm_device_get_hw_address (dev, NULL);
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+ if (mac)
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+ memcpy (epaddr->data, mac, ETH_ALEN);
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+ else
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+ memset (epaddr->data, 0, ETH_ALEN);
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}
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if (memcmp (&priv->perm_hw_addr, epaddr->data, ETH_ALEN)) {
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@@ -350,11 +355,14 @@ update_initial_hw_address (NMDevice *dev)
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NMDeviceEthernet *self = NM_DEVICE_ETHERNET (dev);
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NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
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char *mac_str;
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+ const guint8 *mac;
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/* This sets initial MAC address from current MAC address. It should only
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* be called from NMDevice constructor() to really get the initial address.
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*/
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- memcpy (priv->initial_hw_addr, nm_device_get_hw_address (dev, NULL), ETH_ALEN);
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+ mac = nm_device_get_hw_address (dev, NULL);
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+ if (mac)
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+ memcpy (priv->initial_hw_addr, mac, ETH_ALEN);
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mac_str = nm_utils_hwaddr_ntoa (priv->initial_hw_addr, ARPHRD_ETHER);
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nm_log_dbg (LOGD_DEVICE | LOGD_ETHER, "(%s): read initial MAC address %s",
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@@ -1219,7 +1219,7 @@ update_connection (NMDevice *device, NMConnection *connection)
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{
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NMSettingWired *s_wired = nm_connection_get_setting_wired (connection);
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guint maclen;
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- gconstpointer mac = nm_device_get_hw_address (device, &maclen);
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+ const guint8 *mac = nm_device_get_hw_address (device, &maclen);
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if (!s_wired) {
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s_wired = (NMSettingWired *) nm_setting_wired_new ();
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--
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1.7.11.7
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