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winebus.sys: Fix duplicate lnxev / hidraw device lookup. 

The comparison result was wrong, and the device syspath always differs
anyway between two different subsystems. We need to compare the parent
device syspath.

The input subsystem devices also needs to be deduplicated between eventX
devices and jsX devices.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-08-13 09:46:16 +02:00 committed by Alexandre Julliard
parent 3fb4eec6c3
commit 5d6419a53c
1 changed files with 29 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
dlls/winebus.sys/bus_udev.c
View File

@ -976,9 +976,23 @@ static const platform_vtbl lnxev_vtbl = {
};
#endif
static int check_same_device(DEVICE_OBJECT *device, void* context)
static const char *get_device_syspath(struct udev_device *dev)
{
return !compare_platform_device(device, context);
struct udev_device *parent;
if ((parent = udev_device_get_parent_with_subsystem_devtype(dev, "hid", NULL)))
return udev_device_get_syspath(parent);
if ((parent = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_device")))
return udev_device_get_syspath(parent);
return "";
}
static int check_device_syspath(DEVICE_OBJECT *device, void* context)
{
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
return strcmp(get_device_syspath(private->udev_device), context);
}
static int parse_uevent_info(const char *uevent, DWORD *vendor_id,
@ -1078,28 +1092,24 @@ static void try_add_device(struct udev_device *dev)
return;
}
TRACE("udev %s syspath %s\n", debugstr_a(devnode), udev_device_get_syspath(dev));
#ifdef HAS_PROPER_INPUT_HEADER
device = bus_enumerate_hid_devices(&lnxev_vtbl, check_device_syspath, (void *)get_device_syspath(dev));
if (!device) device = bus_enumerate_hid_devices(&hidraw_vtbl, check_device_syspath, (void *)get_device_syspath(dev));
if (device)
{
TRACE("duplicate device found, not adding the new one\n");
close(fd);
return;
}
#endif
subsystem = udev_device_get_subsystem(dev);
hiddev = udev_device_get_parent_with_subsystem_devtype(dev, "hid", NULL);
if (hiddev)
{
const char *bcdDevice = NULL;
#ifdef HAS_PROPER_INPUT_HEADER
const platform_vtbl *other_vtbl = NULL;
DEVICE_OBJECT *dup = NULL;
if (strcmp(subsystem, "hidraw") == 0)
other_vtbl = &lnxev_vtbl;
else if (strcmp(subsystem, "input") == 0)
other_vtbl = &hidraw_vtbl;
if (other_vtbl)
dup = bus_enumerate_hid_devices(other_vtbl, check_same_device, dev);
if (dup)
{
TRACE("Duplicate cross bus device (%p) found, not adding the new one\n", dup);
close(fd);
return;
}
#endif
parse_uevent_info(udev_device_get_sysattr_value(hiddev, "uevent"),
&vid, &pid, &input, &serial);
if (serial == NULL)