diff options
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 7fb9353b47d9..1ceedb9146b1 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -430,8 +430,6 @@ end: /* * Argument syntax: * - Add uprobe: p|r[:[GRP/]EVENT] PATH:OFFSET [FETCHARGS] - * - * - Remove uprobe: -:[GRP/]EVENT */ static int trace_uprobe_create(int argc, const char **argv) { @@ -447,10 +445,17 @@ static int trace_uprobe_create(int argc, const char **argv) ret = 0; ref_ctr_offset = 0; - /* argc must be >= 1 */ - if (argv[0][0] == 'r') + switch (argv[0][0]) { + case 'r': is_return = true; - else if (argv[0][0] != 'p' || argc < 2) + break; + case 'p': + break; + default: + return -ECANCELED; + } + + if (argc < 2) return -ECANCELED; if (argv[0][1] == ':') @@ -1323,7 +1328,7 @@ static inline void init_trace_event_call(struct trace_uprobe *tu) call->event.funcs = &uprobe_funcs; call->class->define_fields = uprobe_event_define_fields; - call->flags = TRACE_EVENT_FL_UPROBE; + call->flags = TRACE_EVENT_FL_UPROBE | TRACE_EVENT_FL_CAP_ANY; call->class->reg = trace_uprobe_register; call->data = tu; } |