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wintab: fix skipping of odd-numbered devices

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Fix a regression introduced in 4ce6d10601
which causes devices with an odd-numbered zero-based index in the list
to be passed over incorrectly. This might present as yet another "device
does not send pressure" bug for ~50% of devices out there.

This commit also closes off another potential segfault for wintab_devices
lists which have an odd length.

https://bugzilla.gnome.org/show_bug.cgi?id=774699
This commit is contained in:
Andrew Chadwick
2016-11-19 03:26:29 +00:00
committed by Ignacio Casal Quinteiro
parent aa1307a787
commit f40191ff19
1 changed files with 1 additions and 2 deletions
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3
gdk/win32/gdkdevicemanager-win32.c
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@@ -864,10 +864,9 @@ gdk_device_manager_find_wintab_device (GdkDeviceManagerWin32 *device_manager,
GdkDeviceWintab *device;
GList *tmp_list;
for (tmp_list = device_manager->wintab_devices; tmp_list; tmp_list = tmp_list->next)
for (tmp_list = device_manager->wintab_devices; tmp_list != NULL; tmp_list = tmp_list->next)
{
device = tmp_list->data;
tmp_list = tmp_list->next;
if (device->hctx == hctx &&
device->cursor == cursor)