2 files changed, 34 insertions, 6 deletions
diff --git a/rust/macros/helpers.rs b/rust/macros/helpers.rs
index cf7ad950dc1e24..b2bdd4d8c958af 100644
--- a/rust/macros/helpers.rs
+++ b/rust/macros/helpers.rs
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 
-use proc_macro::{token_stream, TokenTree};
+use proc_macro::{token_stream, Group, TokenTree};
 
 pub(crate) fn try_ident(it: &mut token_stream::IntoIter) -> Option<String> {
     if let Some(TokenTree::Ident(ident)) = it.next() {
@@ -56,6 +56,14 @@ pub(crate) fn expect_string_ascii(it: &mut token_stream::IntoIter) -> String {
     string
 }
 
+pub(crate) fn expect_group(it: &mut token_stream::IntoIter) -> Group {
+    if let TokenTree::Group(group) = it.next().expect("Reached end of token stream for Group") {
+        group
+    } else {
+        panic!("Expected Group");
+    }
+}
+
 pub(crate) fn expect_end(it: &mut token_stream::IntoIter) {
     if it.next().is_some() {
         panic!("Expected end");
diff --git a/rust/macros/module.rs b/rust/macros/module.rs
index a7e363c2b04442..5e7ab83908a0df 100644
--- a/rust/macros/module.rs
+++ b/rust/macros/module.rs
@@ -1,9 +1,27 @@
 // SPDX-License-Identifier: GPL-2.0
 
 use crate::helpers::*;
-use proc_macro::{token_stream, Literal, TokenStream, TokenTree};
+use proc_macro::{token_stream, Delimiter, Literal, TokenStream, TokenTree};
 use std::fmt::Write;
 
+fn expect_string_array(it: &mut token_stream::IntoIter) -> Vec<String> {
+    let group = expect_group(it);
+    assert_eq!(group.delimiter(), Delimiter::Bracket);
+    let mut values = Vec::new();
+    let mut it = group.stream().into_iter();
+
+    while let Some(val) = try_string(&mut it) {
+        assert!(val.is_ascii(), "Expected ASCII string");
+        values.push(val);
+        match it.next() {
+            Some(TokenTree::Punct(punct)) => assert_eq!(punct.as_char(), ','),
+            None => break,
+            _ => panic!("Expected ',' or end of array"),
+        }
+    }
+    values
+}
+
 struct ModInfoBuilder<'a> {
     module: &'a str,
     counter: usize,
@@ -78,7 +96,7 @@ struct ModuleInfo {
     name: String,
     author: Option<String>,
     description: Option<String>,
-    alias: Option<String>,
+    alias: Option<Vec<String>>,
 }
 
 impl ModuleInfo {
@@ -112,7 +130,7 @@ impl ModuleInfo {
                 "author" => info.author = Some(expect_string(it)),
                 "description" => info.description = Some(expect_string(it)),
                 "license" => info.license = expect_string_ascii(it),
-                "alias" => info.alias = Some(expect_string_ascii(it)),
+                "alias" => info.alias = Some(expect_string_array(it)),
                 _ => panic!(
                     "Unknown key \"{}\". Valid keys are: {:?}.",
                     key, EXPECTED_KEYS
@@ -163,8 +181,10 @@ pub(crate) fn module(ts: TokenStream) -> TokenStream {
         modinfo.emit("description", &description);
     }
     modinfo.emit("license", &info.license);
-    if let Some(alias) = info.alias {
-        modinfo.emit("alias", &alias);
+    if let Some(aliases) = info.alias {
+        for alias in aliases {
+            modinfo.emit("alias", &alias);
+        }
     }
 
     // Built-in modules also export the `file` modinfo string.