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On Linux, skip virtual ttys that have no parent device.

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This commit is contained in:
Martin Ling 2013-10-27 12:09:37 +00:00 committed by Uwe Hermann
parent 8683177b9d
commit 08fe0bdbdb
1 changed files with 8 additions and 1 deletions
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9
serialport.c
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@ -176,7 +176,7 @@ out_release:
struct udev_list_entry *ud_list; struct udev_list_entry *ud_list;
struct udev_list_entry *ud_entry; struct udev_list_entry *ud_entry;
const char *path; const char *path;
struct udev_device *ud_dev; struct udev_device *ud_dev, *ud_parent;
const char *name; const char *name;
ud = udev_new(); ud = udev_new();
@ -190,6 +190,13 @@ out_release:
{ {
path = udev_list_entry_get_name(ud_entry); path = udev_list_entry_get_name(ud_entry);
ud_dev = udev_device_new_from_syspath(ud, path); ud_dev = udev_device_new_from_syspath(ud, path);
/* If there is no parent device, this is a virtual tty. */
ud_parent = udev_device_get_parent(ud_dev);
if (ud_parent == NULL)
{
udev_device_unref(ud_dev);
continue;
}
name = udev_device_get_devnode(ud_dev); name = udev_device_get_devnode(ud_dev);
list = sp_list_append(list, (void *)name, strlen(name) + 1); list = sp_list_append(list, (void *)name, strlen(name) + 1);
udev_device_unref(ud_dev); udev_device_unref(ud_dev);