[for-next][PATCH 19/23] tracing: eprobe: Add missing log index

From: Steven Rostedt
Date: Thu Jul 14 2022 - 12:45:03 EST


From: Linyu Yuan <quic_linyyuan@xxxxxxxxxxx>

Add trace_probe_log_set_index(1) to allow report correct error
if user input wrong SYSTEM.EVENT format.

Link: https://lore.kernel.org/all/1656296348-16111-2-git-send-email-quic_linyyuan@xxxxxxxxxxx/

Reviewed-by: Tom Zanussi <zanussi@xxxxxxxxxx>
Signed-off-by: Linyu Yuan <quic_linyyuan@xxxxxxxxxxx>
Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
---
kernel/trace/trace_eprobe.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c
index 7d4478525c66..b805b570305f 100644
--- a/kernel/trace/trace_eprobe.c
+++ b/kernel/trace/trace_eprobe.c
@@ -881,6 +881,7 @@ static int __trace_eprobe_create(int argc, const char *argv[])
if (!is_good_name(event) || !is_good_name(group))
goto parse_error;

+ trace_probe_log_set_index(1);
sys_event = argv[1];
ret = traceprobe_parse_event_name(&sys_event, &sys_name, buf2,
sys_event - argv[1]);
--
2.35.1