tracing: Use strcmp() in __assign_str() WARN_ON() check

[linux-2.6-microblaze.git] / include / trace / stages / stage6_event_callback.h

diff --git a/include/trace/stages/stage6_event_callback.h b/include/trace/stages/stage6_event_callback.h
index a0c15f6..83da83a 100644 (file)
--- a/include/trace/stages/stage6_event_callback.h
+++ b/include/trace/stages/stage6_event_callback.h
@@ -35,7 +35,9 @@
        do {                                                            \
                char *__str__ = __get_str(dst);                         \
                int __len__ = __get_dynamic_array_len(dst) - 1;         \
-               WARN_ON_ONCE((src) != __data_offsets.dst##_ptr_);       \
+               WARN_ON_ONCE(__builtin_constant_p(src) ?                \
+                            strcmp((src), __data_offsets.dst##_ptr_) : \
+                            (src) != __data_offsets.dst##_ptr_);       \
                memcpy(__str__, __data_offsets.dst##_ptr_ ? :           \
                       EVENT_NULL_STR, __len__);                        \
                __str__[__len__] = '\0';                                \