Fix if_chain

Author: Serial-ATA

clippy_lints/src/undocumented_unsafe_blocks.rs

@@ -61,23 +61,22 @@ impl LateLintPass<'_> for UndocumentedUnsafeBlocks {
             if !in_external_macro(cx.tcx.sess, block.span);
             if let BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided) = block.rules;
             if let Some(enclosing_scope_hir_id) = cx.tcx.hir().get_enclosing_scope(block.hir_id);
+            if block_has_safety_comment(cx.tcx, enclosing_scope_hir_id, block.span) == Some(false);
             then {
-                if block_has_safety_comment(cx.tcx, enclosing_scope_hir_id, block.span) == Some(false) {
-                    let mut span = block.span;
+                let mut span = block.span;
 
-                    if let Some(local_span) = self.local_span {
-                        span = local_span;
+                if let Some(local_span) = self.local_span {
+                    span = local_span;
 
-                        let result = block_has_safety_comment(cx.tcx, enclosing_scope_hir_id, span);
+                    let result = block_has_safety_comment(cx.tcx, enclosing_scope_hir_id, span);
 
-                        if result == Some(true) || result.is_none() {
-                            self.local_checked = true;
-                            return;
-                        }
+                    if result == Some(true) || result.is_none() {
+                        self.local_checked = true;
+                        return;
                     }
-
-                    err(cx, span);
                 }
+
+                err(cx, span);
             }
         }
     }