LibDeviceTree: Propagate try_append() errors while parsing paths

Author: https://github.com/MacDue
Commit: https://github.com/SerenityOS/serenity/commit/f064f5f36e
Pull-request: https://github.com/SerenityOS/serenity/pull/17606
Reviewed-by: https://github.com/ADKaster

Userland/Libraries/LibDeviceTree/FlattenedDeviceTree.cpp

@@ -113,11 +113,9 @@ static ErrorOr<ReadonlyBytes> slow_get_property_raw(StringView name, FlattenedDe
     // Name is a path like /path/to/node/property
     Vector<StringView, 16> path;
     TRY(name.for_each_split_view('/', SplitBehavior::Nothing, [&path](StringView view) -> ErrorOr<void> {
-        if (path.size() == path.capacity()) {
+        if (path.size() == path.capacity())
             return Error::from_errno(ENAMETOOLONG);
-        }
-        MUST(path.try_append(view));
-        return {};
+        return path.try_append(view);
     }));
 
     bool check_property_name = path.size() == 1; // Properties on root node should be checked immediately