Cleanup: Replace direct `id.lib` pointer checks with `ID_IS_LINKED` macro usages.

3 files changed, 4 insertions, 4 deletions

diff --git a/source/blender/blenkernel/intern/brush.c b/source/blender/blenkernel/intern/brush.c
index f091ebe1e32..4531783c72a 100644
--- a/source/blender/blenkernel/intern/brush.c
+++ b/source/blender/blenkernel/intern/brush.c
@@ -147,7 +147,7 @@ static void brush_make_local(Main *bmain, ID *id, const int flags)
     /* NOTE: assert below ensures that the comment above is valid, and that that exception is
      * acceptable for the time being. */
     BKE_lib_id_make_local(bmain, &brush->clone.image->id, 0);
-    BLI_assert(brush->clone.image->id.lib == NULL && brush->clone.image->id.newid == NULL);
+    BLI_assert(!ID_IS_LINKED(brush->clone.image) && brush->clone.image->id.newid == NULL);
   }
 
   if (force_local) {
diff --git a/source/blender/blenkernel/intern/lib_id_delete.c b/source/blender/blenkernel/intern/lib_id_delete.c
index cf25af1c637..ba5556c8b2d 100644
--- a/source/blender/blenkernel/intern/lib_id_delete.c
+++ b/source/blender/blenkernel/intern/lib_id_delete.c
@@ -234,7 +234,7 @@ static size_t id_delete(Main *bmain, const bool do_tagged_deletion)
         for (id = lb->first; id; id = id_next) {
           id_next = id->next;
           /* NOTE: in case we delete a library, we also delete all its datablocks! */
-          if ((id->tag & tag) || (id->lib != NULL && (id->lib->id.tag & tag))) {
+          if ((id->tag & tag) || (ID_IS_LINKED(id) && (id->lib->id.tag & tag))) {
             BLI_remlink(lb, id);
             BLI_addtail(&tagged_deleted_ids, id);
             /* Do not tag as no_main now, we want to unlink it first (lower-level ID management
@@ -290,7 +290,7 @@ static size_t id_delete(Main *bmain, const bool do_tagged_deletion)
       for (id = lb->first; id; id = id_next) {
         id_next = id->next;
         /* NOTE: in case we delete a library, we also delete all its datablocks! */
-        if ((id->tag & tag) || (id->lib != NULL && (id->lib->id.tag & tag))) {
+        if ((id->tag & tag) || (ID_IS_LINKED(id) && (id->lib->id.tag & tag))) {
           id->tag |= tag;
           BKE_id_remapper_add(remapper, id, NULL);
         }
diff --git a/source/blender/blenkernel/intern/lib_override.c b/source/blender/blenkernel/intern/lib_override.c
index 02cdd6fcd20..8a988bd30b5 100644
--- a/source/blender/blenkernel/intern/lib_override.c
+++ b/source/blender/blenkernel/intern/lib_override.c
@@ -2127,7 +2127,7 @@ static void lib_override_library_main_resync_on_library_indirect_level(
                  "ID override %s from library level %d still found as needing resync, when all "
                  "IDs from that level should have been processed after tackling library level %d",
                  id->name,
-                 id->lib != NULL ? id->lib->temp_index : 0,
+                 ID_IS_LINKED(id) ? id->lib->temp_index : 0,
                  library_indirect_level);
       id->tag &= ~LIB_TAG_LIB_OVERRIDE_NEED_RESYNC;
     }