Merge tag 'rust-fixes-6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux

Pull Rust fix from Miguel Ojeda:

- Fix a Rust 1.91.0 build issue due to 'bindings.o' not containing
DWARF debug information anymore by teaching gendwarfksyms to skip
object files without exports

* tag 'rust-fixes-6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
gendwarfksyms: Skip files with no exports

scripts/gendwarfksyms/gendwarfksyms.c

···
 		error("no input files?");
 	}
 
-	symbol_read_exports(stdin);
+	if (!symbol_read_exports(stdin))
+		return 0;
 
 	if (symtypes_file) {
 		symfile = fopen(symtypes_file, "w");

scripts/gendwarfksyms/gendwarfksyms.h

···
 typedef void (*symbol_callback_t)(struct symbol *, void *arg);
 
 bool is_symbol_ptr(const char *name);
-void symbol_read_exports(FILE *file);
+int symbol_read_exports(FILE *file);
 void symbol_read_symtab(int fd);
 struct symbol *symbol_get(const char *name);
 void symbol_set_ptr(struct symbol *sym, Dwarf_Die *ptr);

scripts/gendwarfksyms/symbols.c

···
 	return for_each(name, NULL, NULL) > 0;
 }
 
-void symbol_read_exports(FILE *file)
+int symbol_read_exports(FILE *file)
 {
 	struct symbol *sym;
 	char *line = NULL;
···
 
 	free(line);
 	debug("%d exported symbols", nsym);
+
+	return nsym;
 }
 
 static void get_symbol(struct symbol *sym, void *arg)