From: Tom Gundersen Date: Wed, 13 Aug 2014 23:35:16 +0000 (+0200) Subject: udev: link-config - fix crash due to missing hwaddr X-Git-Tag: v216~130 X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=eb7040ec50fbfe5aad9eaf305bd442a4a235abaa;p=elogind.git udev: link-config - fix crash due to missing hwaddr Reported by: master.nosferatu@gmail.com --- diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c index e2280f1f6..c2881d6b4 100644 --- a/src/udev/net/link-config.c +++ b/src/udev/net/link-config.c @@ -251,11 +251,12 @@ int link_config_get(link_config_ctx *ctx, struct udev_device *device, link_config *link; LIST_FOREACH(links, link, ctx->links) { + const char* attr_value = udev_device_get_sysattr_value(device, "address"); if (net_match_config(link->match_mac, link->match_path, link->match_driver, link->match_type, NULL, link->match_host, link->match_virt, link->match_kernel, link->match_arch, - ether_aton(udev_device_get_sysattr_value(device, "address")), + attr_value ? ether_aton(attr_value) : NULL, udev_device_get_property_value(device, "ID_PATH"), udev_device_get_driver(udev_device_get_parent(device)), udev_device_get_property_value(device, "ID_NET_DRIVER"),