2 files changed, 10 insertions, 5 deletions
diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpenciloutline.c b/source/blender/gpencil_modifiers/intern/MOD_gpenciloutline.c
index 455d8b0b528..dff8d14564a 100644
--- a/source/blender/gpencil_modifiers/intern/MOD_gpenciloutline.c
+++ b/source/blender/gpencil_modifiers/intern/MOD_gpenciloutline.c
@@ -287,7 +287,7 @@ static void updateDepsgraph(GpencilModifierData *md,
   DEG_add_object_relation(ctx->node, ctx->object, DEG_OB_COMP_TRANSFORM, "Outline Modifier");
 }
 
-static void panel_draw(const bContext *UNUSED(C), Panel *panel)
+static void panel_draw(const bContext *C, Panel *panel)
 {
   uiLayout *layout = panel->layout;
 
@@ -302,6 +302,11 @@ static void panel_draw(const bContext *UNUSED(C), Panel *panel)
   uiItemR(layout, ptr, "outline_material", 0, NULL, ICON_NONE);
   uiItemR(layout, ptr, "object", 0, NULL, ICON_NONE);
 
+  Scene *scene = CTX_data_scene(C);
+  if (scene->camera == NULL) {
+    uiItemL(layout, IFACE_("Outline requires an active camera"), ICON_ERROR);
+  }
+
   gpencil_modifier_panel_end(layout, ptr);
 }
 
diff --git a/source/blender/gpencil_modifiers/intern/lineart/lineart_ops.c b/source/blender/gpencil_modifiers/intern/lineart/lineart_ops.c
index 80517979f30..6f44cc68a19 100644
--- a/source/blender/gpencil_modifiers/intern/lineart/lineart_ops.c
+++ b/source/blender/gpencil_modifiers/intern/lineart/lineart_ops.c
@@ -154,7 +154,7 @@ static bool bake_strokes(Object *ob,
 typedef struct LineartBakeJob {
   wmWindowManager *wm;
   void *owner;
-  short *stop, *do_update;
+  bool *stop, *do_update;
   float *progress;
 
   /* C or ob must have one != NULL. */
@@ -218,8 +218,8 @@ static void lineart_gpencil_guard_modifiers(LineartBakeJob *bj)
 }
 
 static void lineart_gpencil_bake_startjob(void *customdata,
-                                          short *stop,
-                                          short *do_update,
+                                          bool *stop,
+                                          bool *do_update,
                                           float *progress)
 {
   LineartBakeJob *bj = (LineartBakeJob *)customdata;
@@ -337,7 +337,7 @@ static int lineart_gpencil_bake_common(bContext *C,
   }
 
   float pseduo_progress;
-  short pseduo_do_update;
+  bool pseduo_do_update;
   lineart_gpencil_bake_startjob(bj, NULL, &pseduo_do_update, &pseduo_progress);
 
   BLI_linklist_free(bj->objects, NULL);