diff options
Diffstat (limited to 'kernel/trace/trace_export.c')
| -rw-r--r-- | kernel/trace/trace_export.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c index 4ba44deaac2..4b74d71705c 100644 --- a/kernel/trace/trace_export.c +++ b/kernel/trace/trace_export.c | |||
| @@ -83,13 +83,19 @@ static void __always_unused ____ftrace_check_##name(void) \ | |||
| 83 | 83 | ||
| 84 | #undef __array | 84 | #undef __array |
| 85 | #define __array(type, item, len) \ | 85 | #define __array(type, item, len) \ |
| 86 | BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ | 86 | do { \ |
| 87 | ret = trace_define_field(event_call, #type "[" #len "]", #item, \ | 87 | BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ |
| 88 | mutex_lock(&event_storage_mutex); \ | ||
| 89 | snprintf(event_storage, sizeof(event_storage), \ | ||
| 90 | "%s[%d]", #type, len); \ | ||
| 91 | ret = trace_define_field(event_call, event_storage, #item, \ | ||
| 88 | offsetof(typeof(field), item), \ | 92 | offsetof(typeof(field), item), \ |
| 89 | sizeof(field.item), \ | 93 | sizeof(field.item), \ |
| 90 | is_signed_type(type), FILTER_OTHER); \ | 94 | is_signed_type(type), FILTER_OTHER); \ |
| 91 | if (ret) \ | 95 | mutex_unlock(&event_storage_mutex); \ |
| 92 | return ret; | 96 | if (ret) \ |
| 97 | return ret; \ | ||
| 98 | } while (0); | ||
| 93 | 99 | ||
| 94 | #undef __array_desc | 100 | #undef __array_desc |
| 95 | #define __array_desc(type, container, item, len) \ | 101 | #define __array_desc(type, container, item, len) \ |