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input-settings: fix device list iteration

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Dereference the loop variable rather than the original list head. This
fixes a regression introduced in 4413b86a3 ("backends: Replace
ClutterDeviceManager usage in favor of ClutterSeat", 2019-10-04) which
broke button scrolling with trackballs.

Closes:https://gitlab.gnome.org/GNOME/mutter/-/issues/1120

(cherry picked from commit 3e967d731a)
This commit is contained in:
Phillip Wood 2020-04-11 16:08:18 +01:00 committed by Robert Mader
parent 9a2471db47
commit ad500ef4e5
1 changed files with 1 additions and 1 deletions
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2
src/backends/meta-input-settings.c
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@ -818,7 +818,7 @@ update_trackball_scroll_button (MetaInputSettings *input_settings,
for (l = devices; l; l = l->next) for (l = devices; l; l = l->next)
{ {
device = devices->data; device = l->data;
if (input_settings_class->is_trackball_device (input_settings, device)) if (input_settings_class->is_trackball_device (input_settings, device))
input_settings_class->set_scroll_button (input_settings, device, button); input_settings_class->set_scroll_button (input_settings, device, button);