fix segfault when unlocking swaylock on two monitor setup

wlr_*_surface_from_wlr_surface() can return NULL if the surface
is being destroyed

Fixes: https://github.com/djpohly/dwl/issues/305
This commit is contained in:
Leonardo Hernández Hernández 2022-09-18 15:16:10 -05:00
parent ba7dcb2dea
commit bcc8ce7a40
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2
dwl.c
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@ -1175,7 +1175,7 @@ focusclient(Client *c, int lift)
struct wlr_layer_surface_v1 *wlr_layer_surface =
wlr_layer_surface_v1_from_wlr_surface(old);
if (wlr_layer_surface->mapped && (
if (wlr_layer_surface && wlr_layer_surface->mapped && (
wlr_layer_surface->current.layer == ZWLR_LAYER_SHELL_V1_LAYER_TOP ||
wlr_layer_surface->current.layer == ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY
))