From dc399adecd4e2826868e5d116a58e33071b18346 Mon Sep 17 00:00:00 2001 From: Tao Chen Date: Sat, 24 Sep 2022 22:13:34 +0800 Subject: tracing/eprobe: Fix alloc event dir failed when event name no set The event dir will alloc failed when event name no set, using the command: "echo "e:esys/ syscalls/sys_enter_openat file=\$filename:string" >> dynamic_events" It seems that dir name="syscalls/sys_enter_openat" is not allowed in debugfs. So just use the "sys_enter_openat" as the event name. Link: https://lkml.kernel.org/r/1664028814-45923-1-git-send-email-chentao.kernel@linux.alibaba.com Cc: Ingo Molnar Cc: Tom Zanussi Cc: Linyu Yuan Cc: Tao Chen Signed-off-by: Tao Chen Signed-off-by: Steven Rostedt (Google) --- kernel/trace/trace_eprobe.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'kernel/trace') diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c index 78299d3724a2..c08bde9871ec 100644 --- a/kernel/trace/trace_eprobe.c +++ b/kernel/trace/trace_eprobe.c @@ -1039,8 +1039,7 @@ static int __trace_eprobe_create(int argc, const char *argv[]) } if (!event) { - strscpy(buf1, argv[1], MAX_EVENT_NAME_LEN); - sanitize_event_name(buf1); + strscpy(buf1, sys_event, MAX_EVENT_NAME_LEN); event = buf1; } -- cgit v1.2.3