Use inner span in undocumented_unsafe_blocks

Author: profetia

clippy_lints/src/undocumented_unsafe_blocks.rs

@@ -607,15 +607,33 @@ fn span_from_macro_expansion_has_safety_comment(cx: &LateContext<'_>, span: Span
 
 fn get_body_search_span(cx: &LateContext<'_>) -> Option<Span> {
     let body = cx.enclosing_body?;
-    for (_, parent_node) in cx.tcx.hir().parent_iter(body.hir_id) {
+    let map = cx.tcx.hir();
+    let mut maybe_mod_item = None;
+
+    for (_, parent_node) in map.parent_iter(body.hir_id) {
         match parent_node {
             Node::Crate(mod_) => return Some(mod_.spans.inner_span),
+            Node::Item(hir::Item {
+                kind: ItemKind::Mod(mod_),
+                span,
+                ..
+            }) => {
+                return maybe_mod_item
+                    .and_then(|item| comment_start_before_item_in_mod(cx, mod_, *span, &item))
+                    .map(|comment_start| mod_.spans.inner_span.with_lo(comment_start))
+                    .or(Some(*span));
+            },
             node if let Some((span, _)) = span_and_hid_of_item_alike_node(&node)
                 && !is_const_or_static(&node) =>
             {
                 return Some(span);
             },
-            _ => {},
+            Node::Item(item) => {
+                maybe_mod_item = Some(*item);
+            },
+            _ => {
+                maybe_mod_item = None;
+            },
         }
     }
     None