1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index f4195de4eb9d..4a811891dbe3 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -121,7 +121,7 @@ extern int allocate_resource(struct resource *root, struct resource *new,
                              resource_size_t size, resource_size_t min,
                              resource_size_t max, resource_size_t align,
                              resource_size_t (*alignf)(void *,
-                                                       struct resource *,
+                                                       const struct resource *,
                                                        resource_size_t,
                                                        resource_size_t),
                              void *alignf_data);