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libudev: fix renamed device nodes detection logic

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This commit is contained in:
Kay Sievers 2010-12-14 21:26:12 +01:00
parent ab17a7ef55
commit 93a724d3f8
1 changed files with 6 additions and 2 deletions
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8
libudev/libudev-device-private.c
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@ -78,6 +78,7 @@ int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old,
static bool device_has_info(struct udev_device *udev_device)
{
struct udev *udev = udev_device_get_udev(udev_device);
struct udev_list_entry *list_entry;
if (udev_device_get_devlinks_list_entry(udev_device) != NULL)
@ -89,9 +90,12 @@ static bool device_has_info(struct udev_device *udev_device)
return true;
if (udev_device_get_tags_list_entry(udev_device) != NULL)
return true;
if (udev_device_get_knodename(udev_device) != NULL)
if (strcmp(udev_device_get_devnode(udev_device), udev_device_get_knodename(udev_device)) != 0)
if (udev_device_get_devnode(udev_device) != NULL && udev_device_get_knodename(udev_device) != NULL) {
size_t devlen = strlen(udev_get_dev_path(udev))+1;
if (strcmp(&udev_device_get_devnode(udev_device)[devlen], udev_device_get_knodename(udev_device)) != 0)
return true;
}
if (udev_device_get_watch_handle(udev_device) >= 0)
return true;
return false;