/*
- * udev_device.c - main udev data object
- *
* Copyright (C) 2004-2006 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software; you can redistribute it and/or modify it
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
dev_t udev_device_get_devt(struct udevice *udev)
{
const char *attr;
- unsigned int major, minor;
+ unsigned int maj, min;
/* read it from sysfs */
attr = sysfs_attr_get_value(udev->dev->devpath, "dev");
if (attr != NULL) {
- if (sscanf(attr, "%u:%u", &major, &minor) == 2)
- return makedev(major, minor);
+ if (sscanf(attr, "%u:%u", &maj, &min) == 2)
+ return makedev(maj, min);
}
return makedev(0, 0);
}
struct ifreq ifr;
int retval;
- info("changing net interface name from '%s' to '%s'", udev->dev->kernel_name, udev->name);
+ info("changing net interface name from '%s' to '%s'", udev->dev->kernel, udev->name);
if (udev->test_run)
return 0;
}
memset(&ifr, 0x00, sizeof(struct ifreq));
- strlcpy(ifr.ifr_name, udev->dev->kernel_name, IFNAMSIZ);
+ strlcpy(ifr.ifr_name, udev->dev->kernel, IFNAMSIZ);
strlcpy(ifr.ifr_newname, udev->name, IFNAMSIZ);
retval = ioctl(sk, SIOCSIFNAME, &ifr);
if (retval != 0) {
/* see if the destination interface name already exists */
if (errno != EEXIST) {
- err("error changing netif name: %s", strerror(errno));
+ err("error changing netif name %s to %s: %s", ifr.ifr_name, ifr.ifr_newname, strerror(errno));
goto exit;
}
/* free our own name, another process may wait for us */
- strlcpy(ifr.ifr_newname, udev->dev->kernel_name, IFNAMSIZ);
+ strlcpy(ifr.ifr_newname, udev->dev->kernel, IFNAMSIZ);
strlcat(ifr.ifr_newname, "_rename", IFNAMSIZ);
retval = ioctl(sk, SIOCSIFNAME, &ifr);
if (retval != 0) {
- err("error changing netif name: %s", strerror(errno));
+ err("error changing netif name %s to %s: %s", ifr.ifr_name, ifr.ifr_newname, strerror(errno));
goto exit;
}
strlcpy(ifr.ifr_newname, udev->name, IFNAMSIZ);
loop = 30 * 20;
while (loop--) {
- retval = ioctl(sk, SIOCSIFNAME, &ifr);
- if (retval != 0) {
- if (errno != EEXIST) {
- err("error changing net interface name: %s", strerror(errno));
- break;
- }
- dbg("wait for netif '%s' to become free, loop=%i", udev->name, (30 * 20) - loop);
- usleep(1000 * 1000 / 20);
+ retval = ioctl(sk, SIOCSIFNAME, &ifr);
+ if (retval == 0)
+ break;
+
+ if (errno != EEXIST) {
+ err("error changing net interface name %s to %s: %s",
+ ifr.ifr_name, ifr.ifr_newname, strerror(errno));
+ break;
}
+ dbg("wait for netif '%s' to become free, loop=%i", udev->name, (30 * 20) - loop);
+ usleep(1000 * 1000 / 20);
}
}
info("device event will be ignored");
goto exit;
}
+ if (udev->name[0] == '\0') {
+ info("device renaming supressed");
+ goto exit;
+ }
/* look if we want to change the name of the netif */
- if (strcmp(udev->name, udev->dev->kernel_name) != 0) {
+ if (strcmp(udev->name, udev->dev->kernel) != 0) {
char *pos;
retval = rename_netif(udev);
info("renamed netif to '%s'", udev->name);
/* export old name */
- setenv("INTERFACE_OLD", udev->dev->kernel_name, 1);
+ setenv("INTERFACE_OLD", udev->dev->kernel, 1);
/* now fake the devpath, because the kernel name changed silently */
pos = strrchr(udev->dev->devpath, '/');
if (pos != NULL) {
pos[1] = '\0';
strlcat(udev->dev->devpath, udev->name, sizeof(udev->dev->devpath));
- strlcpy(udev->dev->kernel_name, udev->name, sizeof(udev->dev->kernel_name));
+ strlcpy(udev->dev->kernel, udev->name, sizeof(udev->dev->kernel));
setenv("DEVPATH", udev->dev->devpath, 1);
setenv("INTERFACE", udev->name, 1);
}
list_for_each_entry(name_loop, &udev->env_list, node)
putenv(name_loop->name);
} else {
- dbg("'%s' not found in database, using kernel name '%s'", udev->dev->devpath, udev->dev->kernel_name);
- strlcpy(udev->name, udev->dev->kernel_name, sizeof(udev->name));
+ dbg("'%s' not found in database, using kernel name '%s'", udev->dev->devpath, udev->dev->kernel);
+ strlcpy(udev->name, udev->dev->kernel, sizeof(udev->name));
}
udev_rules_get_run(rules, udev);