Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...

[pandora-kernel.git] / kernel / trace / trace_export.c

diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 4ba44de..4b74d71 100644 (file)
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -83,13 +83,19 @@ static void __always_unused ____ftrace_check_##name(void)   \
 
 #undef __array
 #define __array(type, item, len)                                       \
-       BUILD_BUG_ON(len > MAX_FILTER_STR_VAL);                         \
-       ret = trace_define_field(event_call, #type "[" #len "]", #item, \
+       do {                                                            \
+               BUILD_BUG_ON(len > MAX_FILTER_STR_VAL);                 \
+               mutex_lock(&event_storage_mutex);                       \
+               snprintf(event_storage, sizeof(event_storage),          \
+                        "%s[%d]", #type, len);                         \
+               ret = trace_define_field(event_call, event_storage, #item, \
                                 offsetof(typeof(field), item),         \
                                 sizeof(field.item),                    \
                                 is_signed_type(type), FILTER_OTHER);   \
-       if (ret)                                                        \
-               return ret;
+               mutex_unlock(&event_storage_mutex);                     \
+               if (ret)                                                \
+                       return ret;                                     \
+       } while (0);
 
 #undef __array_desc
 #define __array_desc(type, container, item, len)                       \