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xwayland: Handle NULL xwl_seat in xwl_seat_can_emulate_pointer_warp 

This can happen e.g. with weston's headless backend.

Reviewed-by: Olivier Fourdan <ofourdan@redhat.com>
(cherry picked from commit e33453f911)
This commit is contained in:
Michel Dänzer 2020-07-23 19:14:28 +02:00 committed by Matt Turner
parent 10cabe0b97
commit 4a65b6617e
1 changed files with 6 additions and 1 deletions
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7
hw/xwayland/xwayland-input.c
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@ -2783,11 +2783,16 @@ xwl_seat_create_pointer_warp_emulator(struct xwl_seat *xwl_seat)
static Bool static Bool
xwl_seat_can_emulate_pointer_warp(struct xwl_seat *xwl_seat) xwl_seat_can_emulate_pointer_warp(struct xwl_seat *xwl_seat)
{ {
struct xwl_screen *xwl_screen = xwl_seat->xwl_screen; struct xwl_screen *xwl_screen;
if (!xwl_seat)
return FALSE;
if (!xwl_seat->pointer) if (!xwl_seat->pointer)
return FALSE; return FALSE;
xwl_screen = xwl_seat->xwl_screen;
if (!xwl_screen->relative_pointer_manager) if (!xwl_screen->relative_pointer_manager)
return FALSE; return FALSE;