static_call: Fix static_call_update() sanity check

[linux-2.6-microblaze.git] / kernel / static_call.c

diff --git a/kernel/static_call.c b/kernel/static_call.c
index fc22590..2c5950b 100644 (file)
--- a/kernel/static_call.c
+++ b/kernel/static_call.c
@@ -181,7 +181,16 @@ void __static_call_update(struct static_call_key *key, void *tramp, void *func)
                                continue;
 
                        if (!kernel_text_address((unsigned long)site_addr)) {
-                               WARN_ONCE(1, "can't patch static call site at %pS",
+                               /*
+                                * This skips patching built-in __exit, which
+                                * is part of init_section_contains() but is
+                                * not part of kernel_text_address().
+                                *
+                                * Skipping built-in __exit is fine since it
+                                * will never be executed.
+                                */
+                               WARN_ONCE(!static_call_is_init(site),
+                                         "can't patch static call site at %pS",
                                          site_addr);
                                continue;
                        }