Lookup aliases in the modules.builtin.modinfo

[thirdparty/kmod.git] / libkmod / libkmod.c

diff --git a/libkmod/libkmod.c b/libkmod/libkmod.c
index 69fe431aa4c80ec2ae782625c1d2c80d00b11605..c9d9e2a218ab81913395655d3833c5f63ff13410 100644 (file)
--- a/libkmod/libkmod.c
+++ b/libkmod/libkmod.c
@@ -57,6 +57,7 @@ static struct _index_files {
        [KMOD_INDEX_MODULES_DEP] = { .fn = "modules.dep", .prefix = "" },
        [KMOD_INDEX_MODULES_ALIAS] = { .fn = "modules.alias", .prefix = "alias " },
        [KMOD_INDEX_MODULES_SYMBOL] = { .fn = "modules.symbols", .prefix = "alias "},
+       [KMOD_INDEX_MODULES_BUILTIN_ALIAS] = { .fn = "modules.builtin.alias", .prefix = "" },
        [KMOD_INDEX_MODULES_BUILTIN] = { .fn = "modules.builtin", .prefix = ""},
 };
 
@@ -522,6 +523,30 @@ static char *lookup_builtin_file(struct kmod_ctx *ctx, const char *name)
        return line;
 }
 
+int kmod_lookup_alias_from_kernel_builtin_file(struct kmod_ctx *ctx,
+                                               const char *name,
+                                               struct kmod_list **list)
+{
+       struct kmod_list *l;
+       int ret = kmod_lookup_alias_from_alias_bin(ctx,
+                                               KMOD_INDEX_MODULES_BUILTIN_ALIAS,
+                                               name, list);
+       if (ret > 0) {
+               kmod_list_foreach(l, *list) {
+                       struct kmod_module *mod = l->data;
+                       kmod_module_set_builtin(mod, true);
+               }
+       } else if (ret == -ENOSYS) {
+               /*
+                * If the system does not support this yet, then
+                * there is no need to return an error.
+                */
+               ret = 0;
+       }
+
+       return ret;
+}
+
 int kmod_lookup_alias_from_builtin_file(struct kmod_ctx *ctx, const char *name,
                                                struct kmod_list **list)
 {