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authorKay Sievers <kay@vrfy.org>2013-01-08 14:54:12 +0100
committerKay Sievers <kay@vrfy.org>2013-01-08 14:54:12 +0100
commit72bc96f07868d532596477604b6fb41633ebd124 (patch)
treeedfd7d094aca0f82c1437577c3c8e3955147ba95 /src
parentdee4c244254bb49d1ffa8bd7171ae9cce596d2d0 (diff)
udev: net_id - skip stacked network devices
Diffstat (limited to 'src')
-rw-r--r--src/udev/udev-builtin-net_id.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c
index d5db762e80..1975c6d62c 100644
--- a/src/udev/udev-builtin-net_id.c
+++ b/src/udev/udev-builtin-net_id.c
@@ -366,6 +366,7 @@ static int ieee_oui(struct udev_device *dev, struct netnames *names, bool test)
static int builtin_net_id(struct udev_device *dev, int argc, char *argv[], bool test) {
const char *s;
+ const char *p;
unsigned int i;
const char *devtype;
const char *prefix = "en";
@@ -380,6 +381,16 @@ static int builtin_net_id(struct udev_device *dev, int argc, char *argv[], bool
if (i != 1)
return 0;
+ /* skip stacked devices, like VLANs, ... */
+ s = udev_device_get_sysattr_value(dev, "ifindex");
+ if (!s)
+ return EXIT_FAILURE;
+ p = udev_device_get_sysattr_value(dev, "iflink");
+ if (!p)
+ return EXIT_FAILURE;
+ if (strcmp(s, p) != 0)
+ return 0;
+
devtype = udev_device_get_devtype(dev);
if (devtype) {
if (streq("wlan", devtype))